Home / 859,966.28-1,186,766.74-472,798.48

Finding the Fourth Proportional to 859,966.28, 1,186,766.74 and 472,798.48

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Solution

The fourth proportional to 859,966.28, 1,186,766.74 and 472,798.48 is: 652,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,966.28 : 1,186,766.74 = 472,798.48 : x
  2. Step 2: Convert to fraction form
    859,966.28/1,186,766.74 = 472,798.48/x
  3. Step 3: Cross multiply
    859,966.28x = 1,186,766.74 × 472,798.48
  4. Step 4: Simplify right side
    859,966.28x = 561,101,510,786.56
  5. Step 5: Solve for x
    x = 561,101,510,786.56/859,966.28
  6. Step 6: Final answer
    x = 652,469.20

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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.