Home / 802,385.28-1,107,250.56-462,833.28

Finding the Fourth Proportional to 802,385.28, 1,107,250.56 and 462,833.28

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Solution

The fourth proportional to 802,385.28, 1,107,250.56 and 462,833.28 is: 638,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,385.28 : 1,107,250.56 = 462,833.28 : x
  2. Step 2: Convert to fraction form
    802,385.28/1,107,250.56 = 462,833.28/x
  3. Step 3: Cross multiply
    802,385.28x = 1,107,250.56 × 462,833.28
  4. Step 4: Simplify right side
    802,385.28x = 512,472,408,466.64
  5. Step 5: Solve for x
    x = 512,472,408,466.64/802,385.28
  6. Step 6: Final answer
    x = 638,686.20

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1.5x scale

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.