Home / 664,269.04-916,816.28-416,026.02

Finding the Fourth Proportional to 664,269.04, 916,816.28 and 416,026.02

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Solution

The fourth proportional to 664,269.04, 916,816.28 and 416,026.02 is: 574,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,269.04 : 916,816.28 = 416,026.02 : x
  2. Step 2: Convert to fraction form
    664,269.04/916,816.28 = 416,026.02/x
  3. Step 3: Cross multiply
    664,269.04x = 916,816.28 × 416,026.02
  4. Step 4: Simplify right side
    664,269.04x = 381,419,428,039.61
  5. Step 5: Solve for x
    x = 381,419,428,039.61/664,269.04
  6. Step 6: Final answer
    x = 574,194.20

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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.