Home / 657,115.20-922,449.60-657,115.20

Finding the Fourth Proportional to 657,115.20, 922,449.60 and 657,115.20

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Solution

The fourth proportional to 657,115.20, 922,449.60 and 657,115.20 is: 922,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,115.20 : 922,449.60 = 657,115.20 : x
  2. Step 2: Convert to fraction form
    657,115.20/922,449.60 = 657,115.20/x
  3. Step 3: Cross multiply
    657,115.20x = 922,449.60 × 657,115.20
  4. Step 4: Simplify right side
    657,115.20x = 606,155,653,393.92
  5. Step 5: Solve for x
    x = 606,155,653,393.92/657,115.20
  6. Step 6: Final answer
    x = 922,449.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.