Home / 641,107.95-880,096.07-550,306.28

Finding the Fourth Proportional to 641,107.95, 880,096.07 and 550,306.28

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Solution

The fourth proportional to 641,107.95, 880,096.07 and 550,306.28 is: 755,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,107.95 : 880,096.07 = 550,306.28 : x
  2. Step 2: Convert to fraction form
    641,107.95/880,096.07 = 550,306.28/x
  3. Step 3: Cross multiply
    641,107.95x = 880,096.07 × 550,306.28
  4. Step 4: Simplify right side
    641,107.95x = 484,322,387,172.31
  5. Step 5: Solve for x
    x = 484,322,387,172.31/641,107.95
  6. Step 6: Final answer
    x = 755,445.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.