Home / 649,584.74-896,411.12-363,138.50

Finding the Fourth Proportional to 649,584.74, 896,411.12 and 363,138.50

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Solution

The fourth proportional to 649,584.74, 896,411.12 and 363,138.50 is: 501,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,584.74 : 896,411.12 = 363,138.50 : x
  2. Step 2: Convert to fraction form
    649,584.74/896,411.12 = 363,138.50/x
  3. Step 3: Cross multiply
    649,584.74x = 896,411.12 × 363,138.50
  4. Step 4: Simplify right side
    649,584.74x = 325,521,389,500.12
  5. Step 5: Solve for x
    x = 325,521,389,500.12/649,584.74
  6. Step 6: Final answer
    x = 501,122.29

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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.