Home / 649,164.77-972,876.67-505,244.42

Finding the Fourth Proportional to 649,164.77, 972,876.67 and 505,244.42

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Solution

The fourth proportional to 649,164.77, 972,876.67 and 505,244.42 is: 757,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,164.77 : 972,876.67 = 505,244.42 : x
  2. Step 2: Convert to fraction form
    649,164.77/972,876.67 = 505,244.42/x
  3. Step 3: Cross multiply
    649,164.77x = 972,876.67 × 505,244.42
  4. Step 4: Simplify right side
    649,164.77x = 491,540,506,386.48
  5. Step 5: Solve for x
    x = 491,540,506,386.48/649,164.77
  6. Step 6: Final answer
    x = 757,189.12

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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.