Home / 899,191.13-1,349,452.51-425,877.95

Finding the Fourth Proportional to 899,191.13, 1,349,452.51 and 425,877.95

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Solution

The fourth proportional to 899,191.13, 1,349,452.51 and 425,877.95 is: 639,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,191.13 : 1,349,452.51 = 425,877.95 : x
  2. Step 2: Convert to fraction form
    899,191.13/1,349,452.51 = 425,877.95/x
  3. Step 3: Cross multiply
    899,191.13x = 1,349,452.51 × 425,877.95
  4. Step 4: Simplify right side
    899,191.13x = 574,702,070,890.09
  5. Step 5: Solve for x
    x = 574,702,070,890.09/899,191.13
  6. Step 6: Final answer
    x = 639,132.28

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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.