Home / 540,625.11-746,047.80-298,917.87

Finding the Fourth Proportional to 540,625.11, 746,047.80 and 298,917.87

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Solution

The fourth proportional to 540,625.11, 746,047.80 and 298,917.87 is: 412,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,625.11 : 746,047.80 = 298,917.87 : x
  2. Step 2: Convert to fraction form
    540,625.11/746,047.80 = 298,917.87/x
  3. Step 3: Cross multiply
    540,625.11x = 746,047.80 × 298,917.87
  4. Step 4: Simplify right side
    540,625.11x = 223,007,019,294.19
  5. Step 5: Solve for x
    x = 223,007,019,294.19/540,625.11
  6. Step 6: Final answer
    x = 412,498.45

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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.