Home / 734,985.18-1,102,789.71-356,187.87

Finding the Fourth Proportional to 734,985.18, 1,102,789.71 and 356,187.87

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Solution

The fourth proportional to 734,985.18, 1,102,789.71 and 356,187.87 is: 534,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,985.18 : 1,102,789.71 = 356,187.87 : x
  2. Step 2: Convert to fraction form
    734,985.18/1,102,789.71 = 356,187.87/x
  3. Step 3: Cross multiply
    734,985.18x = 1,102,789.71 × 356,187.87
  4. Step 4: Simplify right side
    734,985.18x = 392,800,317,862.82
  5. Step 5: Solve for x
    x = 392,800,317,862.82/734,985.18
  6. Step 6: Final answer
    x = 534,432.98

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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.