Home / 913,885.46-1,371,248.15-345,463.95

Finding the Fourth Proportional to 913,885.46, 1,371,248.15 and 345,463.95

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Solution

The fourth proportional to 913,885.46, 1,371,248.15 and 345,463.95 is: 518,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,885.46 : 1,371,248.15 = 345,463.95 : x
  2. Step 2: Convert to fraction form
    913,885.46/1,371,248.15 = 345,463.95/x
  3. Step 3: Cross multiply
    913,885.46x = 1,371,248.15 × 345,463.95
  4. Step 4: Simplify right side
    913,885.46x = 473,716,800,601.87
  5. Step 5: Solve for x
    x = 473,716,800,601.87/913,885.46
  6. Step 6: Final answer
    x = 518,354.68

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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.