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Finding the Fourth Proportional to 524,878.08, 724,318.80 and 298,509.12

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Solution

The fourth proportional to 524,878.08, 724,318.80 and 298,509.12 is: 411,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,878.08 : 724,318.80 = 298,509.12 : x
  2. Step 2: Convert to fraction form
    524,878.08/724,318.80 = 298,509.12/x
  3. Step 3: Cross multiply
    524,878.08x = 724,318.80 × 298,509.12
  4. Step 4: Simplify right side
    524,878.08x = 216,215,767,587.46
  5. Step 5: Solve for x
    x = 216,215,767,587.46/524,878.08
  6. Step 6: Final answer
    x = 411,935.22

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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.