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Finding the Fourth Proportional to 544,063.98, 750,016.99 and 380,211.77

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Solution

The fourth proportional to 544,063.98, 750,016.99 and 380,211.77 is: 524,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,063.98 : 750,016.99 = 380,211.77 : x
  2. Step 2: Convert to fraction form
    544,063.98/750,016.99 = 380,211.77/x
  3. Step 3: Cross multiply
    544,063.98x = 750,016.99 × 380,211.77
  4. Step 4: Simplify right side
    544,063.98x = 285,165,284,934.66
  5. Step 5: Solve for x
    x = 285,165,284,934.66/544,063.98
  6. Step 6: Final answer
    x = 524,139.25

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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.