Home / 447,726.07-617,841.30-243,776.35

Finding the Fourth Proportional to 447,726.07, 617,841.30 and 243,776.35

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Solution

The fourth proportional to 447,726.07, 617,841.30 and 243,776.35 is: 336,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,726.07 : 617,841.30 = 243,776.35 : x
  2. Step 2: Convert to fraction form
    447,726.07/617,841.30 = 243,776.35/x
  3. Step 3: Cross multiply
    447,726.07x = 617,841.30 × 243,776.35
  4. Step 4: Simplify right side
    447,726.07x = 150,615,096,993.26
  5. Step 5: Solve for x
    x = 150,615,096,993.26/447,726.07
  6. Step 6: Final answer
    x = 336,400.11

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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.