Home / 905,838.86-1,250,073.16-497,957.88

Finding the Fourth Proportional to 905,838.86, 1,250,073.16 and 497,957.88

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Solution

The fourth proportional to 905,838.86, 1,250,073.16 and 497,957.88 is: 687,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,838.86 : 1,250,073.16 = 497,957.88 : x
  2. Step 2: Convert to fraction form
    905,838.86/1,250,073.16 = 497,957.88/x
  3. Step 3: Cross multiply
    905,838.86x = 1,250,073.16 × 497,957.88
  4. Step 4: Simplify right side
    905,838.86x = 622,483,780,598.50
  5. Step 5: Solve for x
    x = 622,483,780,598.50/905,838.86
  6. Step 6: Final answer
    x = 687,190.41

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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.