Home / 884,155.74-1,326,492.40-285,104.85

Finding the Fourth Proportional to 884,155.74, 1,326,492.40 and 285,104.85

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Solution

The fourth proportional to 884,155.74, 1,326,492.40 and 285,104.85 is: 427,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,155.74 : 1,326,492.40 = 285,104.85 : x
  2. Step 2: Convert to fraction form
    884,155.74/1,326,492.40 = 285,104.85/x
  3. Step 3: Cross multiply
    884,155.74x = 1,326,492.40 × 285,104.85
  4. Step 4: Simplify right side
    884,155.74x = 378,189,416,728.14
  5. Step 5: Solve for x
    x = 378,189,416,728.14/884,155.74
  6. Step 6: Final answer
    x = 427,740.72

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1.5x scale

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.