Home / 535,722.39-739,329.66-354,119.31

Finding the Fourth Proportional to 535,722.39, 739,329.66 and 354,119.31

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Solution

The fourth proportional to 535,722.39, 739,329.66 and 354,119.31 is: 488,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,722.39 : 739,329.66 = 354,119.31 : x
  2. Step 2: Convert to fraction form
    535,722.39/739,329.66 = 354,119.31/x
  3. Step 3: Cross multiply
    535,722.39x = 739,329.66 × 354,119.31
  4. Step 4: Simplify right side
    535,722.39x = 261,810,909,061.74
  5. Step 5: Solve for x
    x = 261,810,909,061.74/535,722.39
  6. Step 6: Final answer
    x = 488,706.30

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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.