Home / 428,948.15-591,465.29-351,182.07

Finding the Fourth Proportional to 428,948.15, 591,465.29 and 351,182.07

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Solution

The fourth proportional to 428,948.15, 591,465.29 and 351,182.07 is: 484,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,948.15 : 591,465.29 = 351,182.07 : x
  2. Step 2: Convert to fraction form
    428,948.15/591,465.29 = 351,182.07/x
  3. Step 3: Cross multiply
    428,948.15x = 591,465.29 × 351,182.07
  4. Step 4: Simplify right side
    428,948.15x = 207,712,003,119.44
  5. Step 5: Solve for x
    x = 207,712,003,119.44/428,948.15
  6. Step 6: Final answer
    x = 484,235.70

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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.