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Finding the Fourth Proportional to 614,244.60, 921,366.90 and 567,005.40

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Solution

The fourth proportional to 614,244.60, 921,366.90 and 567,005.40 is: 850,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,244.60 : 921,366.90 = 567,005.40 : x
  2. Step 2: Convert to fraction form
    614,244.60/921,366.90 = 567,005.40/x
  3. Step 3: Cross multiply
    614,244.60x = 921,366.90 × 567,005.40
  4. Step 4: Simplify right side
    614,244.60x = 522,420,007,681.26
  5. Step 5: Solve for x
    x = 522,420,007,681.26/614,244.60
  6. Step 6: Final answer
    x = 850,508.10

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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.