Home / 868,109.90-1,301,727.45-513,232.70

Finding the Fourth Proportional to 868,109.90, 1,301,727.45 and 513,232.70

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Solution

The fourth proportional to 868,109.90, 1,301,727.45 and 513,232.70 is: 769,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,109.90 : 1,301,727.45 = 513,232.70 : x
  2. Step 2: Convert to fraction form
    868,109.90/1,301,727.45 = 513,232.70/x
  3. Step 3: Cross multiply
    868,109.90x = 1,301,727.45 × 513,232.70
  4. Step 4: Simplify right side
    868,109.90x = 668,089,093,827.62
  5. Step 5: Solve for x
    x = 668,089,093,827.62/868,109.90
  6. Step 6: Final answer
    x = 769,590.46

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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.