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Finding the Fourth Proportional to 649,672.64, 896,568 and 363,204.80

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Solution

The fourth proportional to 649,672.64, 896,568 and 363,204.80 is: 501,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,672.64 : 896,568 = 363,204.80 : x
  2. Step 2: Convert to fraction form
    649,672.64/896,568 = 363,204.80/x
  3. Step 3: Cross multiply
    649,672.64x = 896,568 × 363,204.80
  4. Step 4: Simplify right side
    649,672.64x = 325,637,801,126.40
  5. Step 5: Solve for x
    x = 325,637,801,126.40/649,672.64
  6. Step 6: Final answer
    x = 501,233.67

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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.