Home / 861,441.03-1,292,346.18-262,450.47

Finding the Fourth Proportional to 861,441.03, 1,292,346.18 and 262,450.47

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Solution

The fourth proportional to 861,441.03, 1,292,346.18 and 262,450.47 is: 393,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,441.03 : 1,292,346.18 = 262,450.47 : x
  2. Step 2: Convert to fraction form
    861,441.03/1,292,346.18 = 262,450.47/x
  3. Step 3: Cross multiply
    861,441.03x = 1,292,346.18 × 262,450.47
  4. Step 4: Simplify right side
    861,441.03x = 339,176,862,343.71
  5. Step 5: Solve for x
    x = 339,176,862,343.71/861,441.03
  6. Step 6: Final answer
    x = 393,731.96

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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.