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Finding the Fourth Proportional to 524,591.40, 785,979.90 and 243,532.20

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Solution

The fourth proportional to 524,591.40, 785,979.90 and 243,532.20 is: 364,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,591.40 : 785,979.90 = 243,532.20 : x
  2. Step 2: Convert to fraction form
    524,591.40/785,979.90 = 243,532.20/x
  3. Step 3: Cross multiply
    524,591.40x = 785,979.90 × 243,532.20
  4. Step 4: Simplify right side
    524,591.40x = 191,411,414,202.78
  5. Step 5: Solve for x
    x = 191,411,414,202.78/524,591.40
  6. Step 6: Final answer
    x = 364,877.15

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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.