Home / 680,542.02-1,020,965.58-207,264.42

Finding the Fourth Proportional to 680,542.02, 1,020,965.58 and 207,264.42

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Solution

The fourth proportional to 680,542.02, 1,020,965.58 and 207,264.42 is: 310,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,542.02 : 1,020,965.58 = 207,264.42 : x
  2. Step 2: Convert to fraction form
    680,542.02/1,020,965.58 = 207,264.42/x
  3. Step 3: Cross multiply
    680,542.02x = 1,020,965.58 × 207,264.42
  4. Step 4: Simplify right side
    680,542.02x = 211,609,838,778.66
  5. Step 5: Solve for x
    x = 211,609,838,778.66/680,542.02
  6. Step 6: Final answer
    x = 310,943.09

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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.