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Finding the Fourth Proportional to 522,032.30, 783,631.65 and 487,769.30

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Solution

The fourth proportional to 522,032.30, 783,631.65 and 487,769.30 is: 732,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,032.30 : 783,631.65 = 487,769.30 : x
  2. Step 2: Convert to fraction form
    522,032.30/783,631.65 = 487,769.30/x
  3. Step 3: Cross multiply
    522,032.30x = 783,631.65 × 487,769.30
  4. Step 4: Simplify right side
    522,032.30x = 382,231,461,378.35
  5. Step 5: Solve for x
    x = 382,231,461,378.35/522,032.30
  6. Step 6: Final answer
    x = 732,198.87

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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.