Home / 807,462.47-1,114,287.91-439,954.93

Finding the Fourth Proportional to 807,462.47, 1,114,287.91 and 439,954.93

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Solution

The fourth proportional to 807,462.47, 1,114,287.91 and 439,954.93 is: 607,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,462.47 : 1,114,287.91 = 439,954.93 : x
  2. Step 2: Convert to fraction form
    807,462.47/1,114,287.91 = 439,954.93/x
  3. Step 3: Cross multiply
    807,462.47x = 1,114,287.91 × 439,954.93
  4. Step 4: Simplify right side
    807,462.47x = 490,236,451,672.68
  5. Step 5: Solve for x
    x = 490,236,451,672.68/807,462.47
  6. Step 6: Final answer
    x = 607,132.18

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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.