Home / 892,419.61-1,231,532.25-484,513.36

Finding the Fourth Proportional to 892,419.61, 1,231,532.25 and 484,513.36

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Solution

The fourth proportional to 892,419.61, 1,231,532.25 and 484,513.36 is: 668,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,419.61 : 1,231,532.25 = 484,513.36 : x
  2. Step 2: Convert to fraction form
    892,419.61/1,231,532.25 = 484,513.36/x
  3. Step 3: Cross multiply
    892,419.61x = 1,231,532.25 × 484,513.36
  4. Step 4: Simplify right side
    892,419.61x = 596,693,828,395.86
  5. Step 5: Solve for x
    x = 596,693,828,395.86/892,419.61
  6. Step 6: Final answer
    x = 668,624.74

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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.