Home / 649,902.07-896,948.40-363,438.28

Finding the Fourth Proportional to 649,902.07, 896,948.40 and 363,438.28

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Solution

The fourth proportional to 649,902.07, 896,948.40 and 363,438.28 is: 501,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,902.07 : 896,948.40 = 363,438.28 : x
  2. Step 2: Convert to fraction form
    649,902.07/896,948.40 = 363,438.28/x
  3. Step 3: Cross multiply
    649,902.07x = 896,948.40 × 363,438.28
  4. Step 4: Simplify right side
    649,902.07x = 325,985,383,744.75
  5. Step 5: Solve for x
    x = 325,985,383,744.75/649,902.07
  6. Step 6: Final answer
    x = 501,591.55

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1.5x scale

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.