Home / 649,622.52-896,480.10-363,142.26

Finding the Fourth Proportional to 649,622.52, 896,480.10 and 363,142.26

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Solution

The fourth proportional to 649,622.52, 896,480.10 and 363,142.26 is: 501,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,622.52 : 896,480.10 = 363,142.26 : x
  2. Step 2: Convert to fraction form
    649,622.52/896,480.10 = 363,142.26/x
  3. Step 3: Cross multiply
    649,622.52x = 896,480.10 × 363,142.26
  4. Step 4: Simplify right side
    649,622.52x = 325,549,809,559.03
  5. Step 5: Solve for x
    x = 325,549,809,559.03/649,622.52
  6. Step 6: Final answer
    x = 501,136.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.