Home / 744,892.20-1,117,484.10-318,427.20

Finding the Fourth Proportional to 744,892.20, 1,117,484.10 and 318,427.20

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Solution

The fourth proportional to 744,892.20, 1,117,484.10 and 318,427.20 is: 477,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,892.20 : 1,117,484.10 = 318,427.20 : x
  2. Step 2: Convert to fraction form
    744,892.20/1,117,484.10 = 318,427.20/x
  3. Step 3: Cross multiply
    744,892.20x = 1,117,484.10 × 318,427.20
  4. Step 4: Simplify right side
    744,892.20x = 355,837,333,007.52
  5. Step 5: Solve for x
    x = 355,837,333,007.52/744,892.20
  6. Step 6: Final answer
    x = 477,703.13

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Double scale
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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.