Home / 399,077.39-598,601.50-118,587.35

Finding the Fourth Proportional to 399,077.39, 598,601.50 and 118,587.35

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Solution

The fourth proportional to 399,077.39, 598,601.50 and 118,587.35 is: 177,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,077.39 : 598,601.50 = 118,587.35 : x
  2. Step 2: Convert to fraction form
    399,077.39/598,601.50 = 118,587.35/x
  3. Step 3: Cross multiply
    399,077.39x = 598,601.50 × 118,587.35
  4. Step 4: Simplify right side
    399,077.39x = 70,986,565,591.03
  5. Step 5: Solve for x
    x = 70,986,565,591.03/399,077.39
  6. Step 6: Final answer
    x = 177,876.69

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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.