Home / 418,305.20-577,344.96-248,506.52

Finding the Fourth Proportional to 418,305.20, 577,344.96 and 248,506.52

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Solution

The fourth proportional to 418,305.20, 577,344.96 and 248,506.52 is: 342,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,305.20 : 577,344.96 = 248,506.52 : x
  2. Step 2: Convert to fraction form
    418,305.20/577,344.96 = 248,506.52/x
  3. Step 3: Cross multiply
    418,305.20x = 577,344.96 × 248,506.52
  4. Step 4: Simplify right side
    418,305.20x = 143,473,986,849.14
  5. Step 5: Solve for x
    x = 143,473,986,849.14/418,305.20
  6. Step 6: Final answer
    x = 342,988.77

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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.