Home / 802,393.28-1,107,261.60-462,841.28

Finding the Fourth Proportional to 802,393.28, 1,107,261.60 and 462,841.28

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Solution

The fourth proportional to 802,393.28, 1,107,261.60 and 462,841.28 is: 638,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,393.28 : 1,107,261.60 = 462,841.28 : x
  2. Step 2: Convert to fraction form
    802,393.28/1,107,261.60 = 462,841.28/x
  3. Step 3: Cross multiply
    802,393.28x = 1,107,261.60 × 462,841.28
  4. Step 4: Simplify right side
    802,393.28x = 512,486,376,238.85
  5. Step 5: Solve for x
    x = 512,486,376,238.85/802,393.28
  6. Step 6: Final answer
    x = 638,697.24

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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.