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Finding the Fourth Proportional to 650,407.55, 974,348.93 and 479,318.54

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Solution

The fourth proportional to 650,407.55, 974,348.93 and 479,318.54 is: 718,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,407.55 : 974,348.93 = 479,318.54 : x
  2. Step 2: Convert to fraction form
    650,407.55/974,348.93 = 479,318.54/x
  3. Step 3: Cross multiply
    650,407.55x = 974,348.93 × 479,318.54
  4. Step 4: Simplify right side
    650,407.55x = 467,023,502,904.71
  5. Step 5: Solve for x
    x = 467,023,502,904.71/650,407.55
  6. Step 6: Final answer
    x = 718,047.49

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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.