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Finding the Fourth Proportional to 542,024.72, 809,170.20 and 506,004.74

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Solution

The fourth proportional to 542,024.72, 809,170.20 and 506,004.74 is: 755,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,024.72 : 809,170.20 = 506,004.74 : x
  2. Step 2: Convert to fraction form
    542,024.72/809,170.20 = 506,004.74/x
  3. Step 3: Cross multiply
    542,024.72x = 809,170.20 × 506,004.74
  4. Step 4: Simplify right side
    542,024.72x = 409,443,956,666.75
  5. Step 5: Solve for x
    x = 409,443,956,666.75/542,024.72
  6. Step 6: Final answer
    x = 755,397.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.