Home / 428,888.20-591,854.28-247,594

Finding the Fourth Proportional to 428,888.20, 591,854.28 and 247,594

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Solution

The fourth proportional to 428,888.20, 591,854.28 and 247,594 is: 341,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,888.20 : 591,854.28 = 247,594 : x
  2. Step 2: Convert to fraction form
    428,888.20/591,854.28 = 247,594/x
  3. Step 3: Cross multiply
    428,888.20x = 591,854.28 × 247,594
  4. Step 4: Simplify right side
    428,888.20x = 146,539,568,602.32
  5. Step 5: Solve for x
    x = 146,539,568,602.32/428,888.20
  6. Step 6: Final answer
    x = 341,673.12

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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.