Home / 792,000.10-1,188,000.15-437,706.10

Finding the Fourth Proportional to 792,000.10, 1,188,000.15 and 437,706.10

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Solution

The fourth proportional to 792,000.10, 1,188,000.15 and 437,706.10 is: 656,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,000.10 : 1,188,000.15 = 437,706.10 : x
  2. Step 2: Convert to fraction form
    792,000.10/1,188,000.15 = 437,706.10/x
  3. Step 3: Cross multiply
    792,000.10x = 1,188,000.15 × 437,706.10
  4. Step 4: Simplify right side
    792,000.10x = 519,994,912,455.92
  5. Step 5: Solve for x
    x = 519,994,912,455.92/792,000.10
  6. Step 6: Final answer
    x = 656,559.15

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Double scale
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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.