Home / 949,425.28-1,424,134.32-388,459.60

Finding the Fourth Proportional to 949,425.28, 1,424,134.32 and 388,459.60

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Solution

The fourth proportional to 949,425.28, 1,424,134.32 and 388,459.60 is: 582,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,425.28 : 1,424,134.32 = 388,459.60 : x
  2. Step 2: Convert to fraction form
    949,425.28/1,424,134.32 = 388,459.60/x
  3. Step 3: Cross multiply
    949,425.28x = 1,424,134.32 × 388,459.60
  4. Step 4: Simplify right side
    949,425.28x = 553,218,648,293.47
  5. Step 5: Solve for x
    x = 553,218,648,293.47/949,425.28
  6. Step 6: Final answer
    x = 582,687.93

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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.