Home / 910,500.30-1,365,750.45-671,351.85

Finding the Fourth Proportional to 910,500.30, 1,365,750.45 and 671,351.85

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Solution

The fourth proportional to 910,500.30, 1,365,750.45 and 671,351.85 is: 1,007,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,500.30 : 1,365,750.45 = 671,351.85 : x
  2. Step 2: Convert to fraction form
    910,500.30/1,365,750.45 = 671,351.85/x
  3. Step 3: Cross multiply
    910,500.30x = 1,365,750.45 × 671,351.85
  4. Step 4: Simplify right side
    910,500.30x = 916,899,091,245.83
  5. Step 5: Solve for x
    x = 916,899,091,245.83/910,500.30
  6. Step 6: Final answer
    x = 1,007,027.78

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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.