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Finding the Fourth Proportional to 524,412.20, 785,937.90 and 243,331.40

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Solution

The fourth proportional to 524,412.20, 785,937.90 and 243,331.40 is: 364,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,412.20 : 785,937.90 = 243,331.40 : x
  2. Step 2: Convert to fraction form
    524,412.20/785,937.90 = 243,331.40/x
  3. Step 3: Cross multiply
    524,412.20x = 785,937.90 × 243,331.40
  4. Step 4: Simplify right side
    524,412.20x = 191,243,369,520.06
  5. Step 5: Solve for x
    x = 191,243,369,520.06/524,412.20
  6. Step 6: Final answer
    x = 364,681.39

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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.