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Finding the Fourth Proportional to 564,830.80, 847,246.20 and 340,444.60

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Solution

The fourth proportional to 564,830.80, 847,246.20 and 340,444.60 is: 510,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,830.80 : 847,246.20 = 340,444.60 : x
  2. Step 2: Convert to fraction form
    564,830.80/847,246.20 = 340,444.60/x
  3. Step 3: Cross multiply
    564,830.80x = 847,246.20 × 340,444.60
  4. Step 4: Simplify right side
    564,830.80x = 288,440,393,660.52
  5. Step 5: Solve for x
    x = 288,440,393,660.52/564,830.80
  6. Step 6: Final answer
    x = 510,666.90

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Similar ratio
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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.