Home / 749,726.40-1,034,640.72-427,467

Finding the Fourth Proportional to 749,726.40, 1,034,640.72 and 427,467

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Solution

The fourth proportional to 749,726.40, 1,034,640.72 and 427,467 is: 589,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,726.40 : 1,034,640.72 = 427,467 : x
  2. Step 2: Convert to fraction form
    749,726.40/1,034,640.72 = 427,467/x
  3. Step 3: Cross multiply
    749,726.40x = 1,034,640.72 × 427,467
  4. Step 4: Simplify right side
    749,726.40x = 442,274,764,656.24
  5. Step 5: Solve for x
    x = 442,274,764,656.24/749,726.40
  6. Step 6: Final answer
    x = 589,914.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.