Home / 908,410.40-1,359,991.20-554,116.40

Finding the Fourth Proportional to 908,410.40, 1,359,991.20 and 554,116.40

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Solution

The fourth proportional to 908,410.40, 1,359,991.20 and 554,116.40 is: 829,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,410.40 : 1,359,991.20 = 554,116.40 : x
  2. Step 2: Convert to fraction form
    908,410.40/1,359,991.20 = 554,116.40/x
  3. Step 3: Cross multiply
    908,410.40x = 1,359,991.20 × 554,116.40
  4. Step 4: Simplify right side
    908,410.40x = 753,593,427,775.68
  5. Step 5: Solve for x
    x = 753,593,427,775.68/908,410.40
  6. Step 6: Final answer
    x = 829,573.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.