Home / 747,279.21-1,031,268.03-425,035.65

Finding the Fourth Proportional to 747,279.21, 1,031,268.03 and 425,035.65

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Solution

The fourth proportional to 747,279.21, 1,031,268.03 and 425,035.65 is: 586,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,279.21 : 1,031,268.03 = 425,035.65 : x
  2. Step 2: Convert to fraction form
    747,279.21/1,031,268.03 = 425,035.65/x
  3. Step 3: Cross multiply
    747,279.21x = 1,031,268.03 × 425,035.65
  4. Step 4: Simplify right side
    747,279.21x = 438,325,677,455.27
  5. Step 5: Solve for x
    x = 438,325,677,455.27/747,279.21
  6. Step 6: Final answer
    x = 586,562.12

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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.