Home / 918,000.10-1,377,000.15-492,847.30

Finding the Fourth Proportional to 918,000.10, 1,377,000.15 and 492,847.30

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Solution

The fourth proportional to 918,000.10, 1,377,000.15 and 492,847.30 is: 739,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,000.10 : 1,377,000.15 = 492,847.30 : x
  2. Step 2: Convert to fraction form
    918,000.10/1,377,000.15 = 492,847.30/x
  3. Step 3: Cross multiply
    918,000.10x = 1,377,000.15 × 492,847.30
  4. Step 4: Simplify right side
    918,000.10x = 678,650,806,027.10
  5. Step 5: Solve for x
    x = 678,650,806,027.10/918,000.10
  6. Step 6: Final answer
    x = 739,270.95

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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.