Home / 428,483.12-591,296.64-247,195.44

Finding the Fourth Proportional to 428,483.12, 591,296.64 and 247,195.44

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Solution

The fourth proportional to 428,483.12, 591,296.64 and 247,195.44 is: 341,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,483.12 : 591,296.64 = 247,195.44 : x
  2. Step 2: Convert to fraction form
    428,483.12/591,296.64 = 247,195.44/x
  3. Step 3: Cross multiply
    428,483.12x = 591,296.64 × 247,195.44
  4. Step 4: Simplify right side
    428,483.12x = 146,165,833,095.32
  5. Step 5: Solve for x
    x = 146,165,833,095.32/428,483.12
  6. Step 6: Final answer
    x = 341,123.90

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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.