Home / 728,051.10-1,092,076.65-476,108.70

Finding the Fourth Proportional to 728,051.10, 1,092,076.65 and 476,108.70

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Solution

The fourth proportional to 728,051.10, 1,092,076.65 and 476,108.70 is: 714,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,051.10 : 1,092,076.65 = 476,108.70 : x
  2. Step 2: Convert to fraction form
    728,051.10/1,092,076.65 = 476,108.70/x
  3. Step 3: Cross multiply
    728,051.10x = 1,092,076.65 × 476,108.70
  4. Step 4: Simplify right side
    728,051.10x = 519,947,194,131.86
  5. Step 5: Solve for x
    x = 519,947,194,131.86/728,051.10
  6. Step 6: Final answer
    x = 714,163.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.