Home / 659,275.89-988,586.69-209,938.22

Finding the Fourth Proportional to 659,275.89, 988,586.69 and 209,938.22

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Solution

The fourth proportional to 659,275.89, 988,586.69 and 209,938.22 is: 314,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,275.89 : 988,586.69 = 209,938.22 : x
  2. Step 2: Convert to fraction form
    659,275.89/988,586.69 = 209,938.22/x
  3. Step 3: Cross multiply
    659,275.89x = 988,586.69 × 209,938.22
  4. Step 4: Simplify right side
    659,275.89x = 207,542,125,596.20
  5. Step 5: Solve for x
    x = 207,542,125,596.20/659,275.89
  6. Step 6: Final answer
    x = 314,803.15

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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.