Home / 558,776.40-771,167.66-329,406.58

Finding the Fourth Proportional to 558,776.40, 771,167.66 and 329,406.58

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Solution

The fourth proportional to 558,776.40, 771,167.66 and 329,406.58 is: 454,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,776.40 : 771,167.66 = 329,406.58 : x
  2. Step 2: Convert to fraction form
    558,776.40/771,167.66 = 329,406.58/x
  3. Step 3: Cross multiply
    558,776.40x = 771,167.66 × 329,406.58
  4. Step 4: Simplify right side
    558,776.40x = 254,027,701,487.20
  5. Step 5: Solve for x
    x = 254,027,701,487.20/558,776.40
  6. Step 6: Final answer
    x = 454,614.23

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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.