Home / 736,828.80-1,105,243.20-263,529.60

Finding the Fourth Proportional to 736,828.80, 1,105,243.20 and 263,529.60

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Solution

The fourth proportional to 736,828.80, 1,105,243.20 and 263,529.60 is: 395,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,828.80 : 1,105,243.20 = 263,529.60 : x
  2. Step 2: Convert to fraction form
    736,828.80/1,105,243.20 = 263,529.60/x
  3. Step 3: Cross multiply
    736,828.80x = 1,105,243.20 × 263,529.60
  4. Step 4: Simplify right side
    736,828.80x = 291,264,298,398.72
  5. Step 5: Solve for x
    x = 291,264,298,398.72/736,828.80
  6. Step 6: Final answer
    x = 395,294.40

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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.