Home / 689,816.10-1,034,724.15-627,814.65

Finding the Fourth Proportional to 689,816.10, 1,034,724.15 and 627,814.65

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Solution

The fourth proportional to 689,816.10, 1,034,724.15 and 627,814.65 is: 941,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,816.10 : 1,034,724.15 = 627,814.65 : x
  2. Step 2: Convert to fraction form
    689,816.10/1,034,724.15 = 627,814.65/x
  3. Step 3: Cross multiply
    689,816.10x = 1,034,724.15 × 627,814.65
  4. Step 4: Simplify right side
    689,816.10x = 649,614,980,078.80
  5. Step 5: Solve for x
    x = 649,614,980,078.80/689,816.10
  6. Step 6: Final answer
    x = 941,721.98

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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.