Home / 680,231.59-1,020,347.38-247,981.48

Finding the Fourth Proportional to 680,231.59, 1,020,347.38 and 247,981.48

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Solution

The fourth proportional to 680,231.59, 1,020,347.38 and 247,981.48 is: 371,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,231.59 : 1,020,347.38 = 247,981.48 : x
  2. Step 2: Convert to fraction form
    680,231.59/1,020,347.38 = 247,981.48/x
  3. Step 3: Cross multiply
    680,231.59x = 1,020,347.38 × 247,981.48
  4. Step 4: Simplify right side
    680,231.59x = 253,027,251,165.63
  5. Step 5: Solve for x
    x = 253,027,251,165.63/680,231.59
  6. Step 6: Final answer
    x = 371,972.22

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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.