Home / 824,795.04-1,237,386.21-256,146.80

Finding the Fourth Proportional to 824,795.04, 1,237,386.21 and 256,146.80

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Solution

The fourth proportional to 824,795.04, 1,237,386.21 and 256,146.80 is: 384,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,795.04 : 1,237,386.21 = 256,146.80 : x
  2. Step 2: Convert to fraction form
    824,795.04/1,237,386.21 = 256,146.80/x
  3. Step 3: Cross multiply
    824,795.04x = 1,237,386.21 × 256,146.80
  4. Step 4: Simplify right side
    824,795.04x = 316,952,511,868.70
  5. Step 5: Solve for x
    x = 316,952,511,868.70/824,795.04
  6. Step 6: Final answer
    x = 384,280.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.