Home / 918,000.30-1,377,000.45-634,565.10

Finding the Fourth Proportional to 918,000.30, 1,377,000.45 and 634,565.10

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Solution

The fourth proportional to 918,000.30, 1,377,000.45 and 634,565.10 is: 951,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,000.30 : 1,377,000.45 = 634,565.10 : x
  2. Step 2: Convert to fraction form
    918,000.30/1,377,000.45 = 634,565.10/x
  3. Step 3: Cross multiply
    918,000.30x = 1,377,000.45 × 634,565.10
  4. Step 4: Simplify right side
    918,000.30x = 873,796,428,254.30
  5. Step 5: Solve for x
    x = 873,796,428,254.30/918,000.30
  6. Step 6: Final answer
    x = 951,847.65

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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.