Home / 725,618.48-1,088,427.90-213,283.70

Finding the Fourth Proportional to 725,618.48, 1,088,427.90 and 213,283.70

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Solution

The fourth proportional to 725,618.48, 1,088,427.90 and 213,283.70 is: 319,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,618.48 : 1,088,427.90 = 213,283.70 : x
  2. Step 2: Convert to fraction form
    725,618.48/1,088,427.90 = 213,283.70/x
  3. Step 3: Cross multiply
    725,618.48x = 1,088,427.90 × 213,283.70
  4. Step 4: Simplify right side
    725,618.48x = 232,143,925,052.90
  5. Step 5: Solve for x
    x = 232,143,925,052.90/725,618.48
  6. Step 6: Final answer
    x = 319,925.60

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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.