Home / 722,948.70-1,084,228.65-217,508.70

Finding the Fourth Proportional to 722,948.70, 1,084,228.65 and 217,508.70

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Solution

The fourth proportional to 722,948.70, 1,084,228.65 and 217,508.70 is: 326,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,948.70 : 1,084,228.65 = 217,508.70 : x
  2. Step 2: Convert to fraction form
    722,948.70/1,084,228.65 = 217,508.70/x
  3. Step 3: Cross multiply
    722,948.70x = 1,084,228.65 × 217,508.70
  4. Step 4: Simplify right side
    722,948.70x = 235,829,164,164.26
  5. Step 5: Solve for x
    x = 235,829,164,164.26/722,948.70
  6. Step 6: Final answer
    x = 326,204.56

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1.5x scale

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.