Home / 749,874.24-1,123,398.40-370,350.72

Finding the Fourth Proportional to 749,874.24, 1,123,398.40 and 370,350.72

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Solution

The fourth proportional to 749,874.24, 1,123,398.40 and 370,350.72 is: 554,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,874.24 : 1,123,398.40 = 370,350.72 : x
  2. Step 2: Convert to fraction form
    749,874.24/1,123,398.40 = 370,350.72/x
  3. Step 3: Cross multiply
    749,874.24x = 1,123,398.40 × 370,350.72
  4. Step 4: Simplify right side
    749,874.24x = 416,051,406,286.85
  5. Step 5: Solve for x
    x = 416,051,406,286.85/749,874.24
  6. Step 6: Final answer
    x = 554,828.24

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Double scale
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1.5x scale

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.