Home / 386,064.10-577,867.35-275,472.10

Finding the Fourth Proportional to 386,064.10, 577,867.35 and 275,472.10

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Solution

The fourth proportional to 386,064.10, 577,867.35 and 275,472.10 is: 412,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,064.10 : 577,867.35 = 275,472.10 : x
  2. Step 2: Convert to fraction form
    386,064.10/577,867.35 = 275,472.10/x
  3. Step 3: Cross multiply
    386,064.10x = 577,867.35 × 275,472.10
  4. Step 4: Simplify right side
    386,064.10x = 159,186,332,425.94
  5. Step 5: Solve for x
    x = 159,186,332,425.94/386,064.10
  6. Step 6: Final answer
    x = 412,331.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.