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Finding the Fourth Proportional to 544,061.37, 750,013.38 and 380,209.17

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Solution

The fourth proportional to 544,061.37, 750,013.38 and 380,209.17 is: 524,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,061.37 : 750,013.38 = 380,209.17 : x
  2. Step 2: Convert to fraction form
    544,061.37/750,013.38 = 380,209.17/x
  3. Step 3: Cross multiply
    544,061.37x = 750,013.38 × 380,209.17
  4. Step 4: Simplify right side
    544,061.37x = 285,161,964,698.70
  5. Step 5: Solve for x
    x = 285,161,964,698.70/544,061.37
  6. Step 6: Final answer
    x = 524,135.66

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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.