Home / 851,970.45-1,175,700.28-469,997.13

Finding the Fourth Proportional to 851,970.45, 1,175,700.28 and 469,997.13

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Solution

The fourth proportional to 851,970.45, 1,175,700.28 and 469,997.13 is: 648,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,970.45 : 1,175,700.28 = 469,997.13 : x
  2. Step 2: Convert to fraction form
    851,970.45/1,175,700.28 = 469,997.13/x
  3. Step 3: Cross multiply
    851,970.45x = 1,175,700.28 × 469,997.13
  4. Step 4: Simplify right side
    851,970.45x = 552,575,757,340.20
  5. Step 5: Solve for x
    x = 552,575,757,340.20/851,970.45
  6. Step 6: Final answer
    x = 648,585.59

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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.