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Finding the Fourth Proportional to 649,482.12, 896,269.82 and 363,028.86

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Solution

The fourth proportional to 649,482.12, 896,269.82 and 363,028.86 is: 500,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,482.12 : 896,269.82 = 363,028.86 : x
  2. Step 2: Convert to fraction form
    649,482.12/896,269.82 = 363,028.86/x
  3. Step 3: Cross multiply
    649,482.12x = 896,269.82 × 363,028.86
  4. Step 4: Simplify right side
    649,482.12x = 325,371,809,191.86
  5. Step 5: Solve for x
    x = 325,371,809,191.86/649,482.12
  6. Step 6: Final answer
    x = 500,971.16

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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.