Home / 418,845.25-577,962.70-237,499.21

Finding the Fourth Proportional to 418,845.25, 577,962.70 and 237,499.21

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Solution

The fourth proportional to 418,845.25, 577,962.70 and 237,499.21 is: 327,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,845.25 : 577,962.70 = 237,499.21 : x
  2. Step 2: Convert to fraction form
    418,845.25/577,962.70 = 237,499.21/x
  3. Step 3: Cross multiply
    418,845.25x = 577,962.70 × 237,499.21
  4. Step 4: Simplify right side
    418,845.25x = 137,265,684,659.47
  5. Step 5: Solve for x
    x = 137,265,684,659.47/418,845.25
  6. Step 6: Final answer
    x = 327,724.10

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1.5x scale

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.