Home / 723,164.58-997,951.19-400,871.88

Finding the Fourth Proportional to 723,164.58, 997,951.19 and 400,871.88

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Solution

The fourth proportional to 723,164.58, 997,951.19 and 400,871.88 is: 553,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,164.58 : 997,951.19 = 400,871.88 : x
  2. Step 2: Convert to fraction form
    723,164.58/997,951.19 = 400,871.88/x
  3. Step 3: Cross multiply
    723,164.58x = 997,951.19 × 400,871.88
  4. Step 4: Simplify right side
    723,164.58x = 400,050,567,679.18
  5. Step 5: Solve for x
    x = 400,050,567,679.18/723,164.58
  6. Step 6: Final answer
    x = 553,194.36

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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.