Home / 735,542.60-1,103,313.90-286,284.20

Finding the Fourth Proportional to 735,542.60, 1,103,313.90 and 286,284.20

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Solution

The fourth proportional to 735,542.60, 1,103,313.90 and 286,284.20 is: 429,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,542.60 : 1,103,313.90 = 286,284.20 : x
  2. Step 2: Convert to fraction form
    735,542.60/1,103,313.90 = 286,284.20/x
  3. Step 3: Cross multiply
    735,542.60x = 1,103,313.90 × 286,284.20
  4. Step 4: Simplify right side
    735,542.60x = 315,861,337,210.38
  5. Step 5: Solve for x
    x = 315,861,337,210.38/735,542.60
  6. Step 6: Final answer
    x = 429,426.30

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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.