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Finding the Fourth Proportional to 649,365.54, 896,121.84 and 362,885.55

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Solution

The fourth proportional to 649,365.54, 896,121.84 and 362,885.55 is: 500,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,365.54 : 896,121.84 = 362,885.55 : x
  2. Step 2: Convert to fraction form
    649,365.54/896,121.84 = 362,885.55/x
  3. Step 3: Cross multiply
    649,365.54x = 896,121.84 × 362,885.55
  4. Step 4: Simplify right side
    649,365.54x = 325,189,666,775.41
  5. Step 5: Solve for x
    x = 325,189,666,775.41/649,365.54
  6. Step 6: Final answer
    x = 500,780.60

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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.