Home / 884,155.67-1,326,492.30-285,104.78

Finding the Fourth Proportional to 884,155.67, 1,326,492.30 and 285,104.78

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Solution

The fourth proportional to 884,155.67, 1,326,492.30 and 285,104.78 is: 427,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,155.67 : 1,326,492.30 = 285,104.78 : x
  2. Step 2: Convert to fraction form
    884,155.67/1,326,492.30 = 285,104.78/x
  3. Step 3: Cross multiply
    884,155.67x = 1,326,492.30 × 285,104.78
  4. Step 4: Simplify right side
    884,155.67x = 378,189,295,363.19
  5. Step 5: Solve for x
    x = 378,189,295,363.19/884,155.67
  6. Step 6: Final answer
    x = 427,740.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.