Home / 689,366.02-1,034,076.84-240,132.31

Finding the Fourth Proportional to 689,366.02, 1,034,076.84 and 240,132.31

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Solution

The fourth proportional to 689,366.02, 1,034,076.84 and 240,132.31 is: 360,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,366.02 : 1,034,076.84 = 240,132.31 : x
  2. Step 2: Convert to fraction form
    689,366.02/1,034,076.84 = 240,132.31/x
  3. Step 3: Cross multiply
    689,366.02x = 1,034,076.84 × 240,132.31
  4. Step 4: Simplify right side
    689,366.02x = 248,315,260,306.70
  5. Step 5: Solve for x
    x = 248,315,260,306.70/689,366.02
  6. Step 6: Final answer
    x = 360,208.15

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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.