Home / 814,850.50-1,223,080.53-611,740.47

Finding the Fourth Proportional to 814,850.50, 1,223,080.53 and 611,740.47

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Solution

The fourth proportional to 814,850.50, 1,223,080.53 and 611,740.47 is: 918,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,850.50 : 1,223,080.53 = 611,740.47 : x
  2. Step 2: Convert to fraction form
    814,850.50/1,223,080.53 = 611,740.47/x
  3. Step 3: Cross multiply
    814,850.50x = 1,223,080.53 × 611,740.47
  4. Step 4: Simplify right side
    814,850.50x = 748,207,852,154.65
  5. Step 5: Solve for x
    x = 748,207,852,154.65/814,850.50
  6. Step 6: Final answer
    x = 918,214.88

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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.