Home / 851,559.16-1,275,892.79-513,890.29

Finding the Fourth Proportional to 851,559.16, 1,275,892.79 and 513,890.29

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Solution

The fourth proportional to 851,559.16, 1,275,892.79 and 513,890.29 is: 769,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,559.16 : 1,275,892.79 = 513,890.29 : x
  2. Step 2: Convert to fraction form
    851,559.16/1,275,892.79 = 513,890.29/x
  3. Step 3: Cross multiply
    851,559.16x = 1,275,892.79 × 513,890.29
  4. Step 4: Simplify right side
    851,559.16x = 655,668,909,637.62
  5. Step 5: Solve for x
    x = 655,668,909,637.62/851,559.16
  6. Step 6: Final answer
    x = 769,962.84

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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.