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Finding the Fourth Proportional to 563,333.60, 845,000.40 and 339,384.80

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Solution

The fourth proportional to 563,333.60, 845,000.40 and 339,384.80 is: 509,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,333.60 : 845,000.40 = 339,384.80 : x
  2. Step 2: Convert to fraction form
    563,333.60/845,000.40 = 339,384.80/x
  3. Step 3: Cross multiply
    563,333.60x = 845,000.40 × 339,384.80
  4. Step 4: Simplify right side
    563,333.60x = 286,780,291,753.92
  5. Step 5: Solve for x
    x = 286,780,291,753.92/563,333.60
  6. Step 6: Final answer
    x = 509,077.20

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Similar ratio
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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.