Home / 743,937.42-1,026,821.96-457,713.80

Finding the Fourth Proportional to 743,937.42, 1,026,821.96 and 457,713.80

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Solution

The fourth proportional to 743,937.42, 1,026,821.96 and 457,713.80 is: 631,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,937.42 : 1,026,821.96 = 457,713.80 : x
  2. Step 2: Convert to fraction form
    743,937.42/1,026,821.96 = 457,713.80/x
  3. Step 3: Cross multiply
    743,937.42x = 1,026,821.96 × 457,713.80
  4. Step 4: Simplify right side
    743,937.42x = 469,990,581,235.05
  5. Step 5: Solve for x
    x = 469,990,581,235.05/743,937.42
  6. Step 6: Final answer
    x = 631,760.91

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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.