Home / 841,813.65-1,262,907.45-242,728.20

Finding the Fourth Proportional to 841,813.65, 1,262,907.45 and 242,728.20

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Solution

The fourth proportional to 841,813.65, 1,262,907.45 and 242,728.20 is: 364,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,813.65 : 1,262,907.45 = 242,728.20 : x
  2. Step 2: Convert to fraction form
    841,813.65/1,262,907.45 = 242,728.20/x
  3. Step 3: Cross multiply
    841,813.65x = 1,262,907.45 × 242,728.20
  4. Step 4: Simplify right side
    841,813.65x = 306,543,252,105.09
  5. Step 5: Solve for x
    x = 306,543,252,105.09/841,813.65
  6. Step 6: Final answer
    x = 364,146.21

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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.