Home / 708,008.80-1,062,013.20-680,015.20

Finding the Fourth Proportional to 708,008.80, 1,062,013.20 and 680,015.20

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Solution

The fourth proportional to 708,008.80, 1,062,013.20 and 680,015.20 is: 1,020,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,008.80 : 1,062,013.20 = 680,015.20 : x
  2. Step 2: Convert to fraction form
    708,008.80/1,062,013.20 = 680,015.20/x
  3. Step 3: Cross multiply
    708,008.80x = 1,062,013.20 × 680,015.20
  4. Step 4: Simplify right side
    708,008.80x = 722,185,118,600.64
  5. Step 5: Solve for x
    x = 722,185,118,600.64/708,008.80
  6. Step 6: Final answer
    x = 1,020,022.80

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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.