Home / 887,470.02-1,224,708.39-485,062.02

Finding the Fourth Proportional to 887,470.02, 1,224,708.39 and 485,062.02

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Solution

The fourth proportional to 887,470.02, 1,224,708.39 and 485,062.02 is: 669,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,470.02 : 1,224,708.39 = 485,062.02 : x
  2. Step 2: Convert to fraction form
    887,470.02/1,224,708.39 = 485,062.02/x
  3. Step 3: Cross multiply
    887,470.02x = 1,224,708.39 × 485,062.02
  4. Step 4: Simplify right side
    887,470.02x = 594,059,525,564.35
  5. Step 5: Solve for x
    x = 594,059,525,564.35/887,470.02
  6. Step 6: Final answer
    x = 669,385.46

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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.