Home / 632,579.88-873,321.12-418,341.36

Finding the Fourth Proportional to 632,579.88, 873,321.12 and 418,341.36

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Solution

The fourth proportional to 632,579.88, 873,321.12 and 418,341.36 is: 577,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,579.88 : 873,321.12 = 418,341.36 : x
  2. Step 2: Convert to fraction form
    632,579.88/873,321.12 = 418,341.36/x
  3. Step 3: Cross multiply
    632,579.88x = 873,321.12 × 418,341.36
  4. Step 4: Simplify right side
    632,579.88x = 365,346,345,057.52
  5. Step 5: Solve for x
    x = 365,346,345,057.52/632,579.88
  6. Step 6: Final answer
    x = 577,549.74

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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.