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Finding the Fourth Proportional to 524,806.12, 724,248.42 and 298,484.20

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Solution

The fourth proportional to 524,806.12, 724,248.42 and 298,484.20 is: 411,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,806.12 : 724,248.42 = 298,484.20 : x
  2. Step 2: Convert to fraction form
    524,806.12/724,248.42 = 298,484.20/x
  3. Step 3: Cross multiply
    524,806.12x = 724,248.42 × 298,484.20
  4. Step 4: Simplify right side
    524,806.12x = 216,176,710,244.96
  5. Step 5: Solve for x
    x = 216,176,710,244.96/524,806.12
  6. Step 6: Final answer
    x = 411,917.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.