Home / 748,723.91-1,033,422.57-426,623.90

Finding the Fourth Proportional to 748,723.91, 1,033,422.57 and 426,623.90

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Solution

The fourth proportional to 748,723.91, 1,033,422.57 and 426,623.90 is: 588,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,723.91 : 1,033,422.57 = 426,623.90 : x
  2. Step 2: Convert to fraction form
    748,723.91/1,033,422.57 = 426,623.90/x
  3. Step 3: Cross multiply
    748,723.91x = 1,033,422.57 × 426,623.90
  4. Step 4: Simplify right side
    748,723.91x = 440,882,761,994.31
  5. Step 5: Solve for x
    x = 440,882,761,994.31/748,723.91
  6. Step 6: Final answer
    x = 588,845.58

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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.