Home / 910,601.10-1,365,901.65-279,432.90

Finding the Fourth Proportional to 910,601.10, 1,365,901.65 and 279,432.90

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Solution

The fourth proportional to 910,601.10, 1,365,901.65 and 279,432.90 is: 419,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,601.10 : 1,365,901.65 = 279,432.90 : x
  2. Step 2: Convert to fraction form
    910,601.10/1,365,901.65 = 279,432.90/x
  3. Step 3: Cross multiply
    910,601.10x = 1,365,901.65 × 279,432.90
  4. Step 4: Simplify right side
    910,601.10x = 381,677,859,174.29
  5. Step 5: Solve for x
    x = 381,677,859,174.29/910,601.10
  6. Step 6: Final answer
    x = 419,149.35

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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.