Home / 744,643.76-1,117,432.20-301,411.76

Finding the Fourth Proportional to 744,643.76, 1,117,432.20 and 301,411.76

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Solution

The fourth proportional to 744,643.76, 1,117,432.20 and 301,411.76 is: 452,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,643.76 : 1,117,432.20 = 301,411.76 : x
  2. Step 2: Convert to fraction form
    744,643.76/1,117,432.20 = 301,411.76/x
  3. Step 3: Cross multiply
    744,643.76x = 1,117,432.20 × 301,411.76
  4. Step 4: Simplify right side
    744,643.76x = 336,807,206,082.67
  5. Step 5: Solve for x
    x = 336,807,206,082.67/744,643.76
  6. Step 6: Final answer
    x = 452,306.49

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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.