Home / 418,327.03-577,294.95-227,340.40

Finding the Fourth Proportional to 418,327.03, 577,294.95 and 227,340.40

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Solution

The fourth proportional to 418,327.03, 577,294.95 and 227,340.40 is: 313,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,327.03 : 577,294.95 = 227,340.40 : x
  2. Step 2: Convert to fraction form
    418,327.03/577,294.95 = 227,340.40/x
  3. Step 3: Cross multiply
    418,327.03x = 577,294.95 × 227,340.40
  4. Step 4: Simplify right side
    418,327.03x = 131,242,464,850.98
  5. Step 5: Solve for x
    x = 131,242,464,850.98/418,327.03
  6. Step 6: Final answer
    x = 313,731.73

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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.