Home / 839,254.14-1,259,978.67-498,320.10

Finding the Fourth Proportional to 839,254.14, 1,259,978.67 and 498,320.10

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Solution

The fourth proportional to 839,254.14, 1,259,978.67 and 498,320.10 is: 748,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,254.14 : 1,259,978.67 = 498,320.10 : x
  2. Step 2: Convert to fraction form
    839,254.14/1,259,978.67 = 498,320.10/x
  3. Step 3: Cross multiply
    839,254.14x = 1,259,978.67 × 498,320.10
  4. Step 4: Simplify right side
    839,254.14x = 627,872,696,832.27
  5. Step 5: Solve for x
    x = 627,872,696,832.27/839,254.14
  6. Step 6: Final answer
    x = 748,131.78

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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.