Home / 748,964.98-1,033,456.04-426,634.12

Finding the Fourth Proportional to 748,964.98, 1,033,456.04 and 426,634.12

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Solution

The fourth proportional to 748,964.98, 1,033,456.04 and 426,634.12 is: 588,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,964.98 : 1,033,456.04 = 426,634.12 : x
  2. Step 2: Convert to fraction form
    748,964.98/1,033,456.04 = 426,634.12/x
  3. Step 3: Cross multiply
    748,964.98x = 1,033,456.04 × 426,634.12
  4. Step 4: Simplify right side
    748,964.98x = 440,907,608,184.09
  5. Step 5: Solve for x
    x = 440,907,608,184.09/748,964.98
  6. Step 6: Final answer
    x = 588,689.22

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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.