Home / 908,418.40-1,360,003.20-554,124.40

Finding the Fourth Proportional to 908,418.40, 1,360,003.20 and 554,124.40

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Solution

The fourth proportional to 908,418.40, 1,360,003.20 and 554,124.40 is: 829,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,418.40 : 1,360,003.20 = 554,124.40 : x
  2. Step 2: Convert to fraction form
    908,418.40/1,360,003.20 = 554,124.40/x
  3. Step 3: Cross multiply
    908,418.40x = 1,360,003.20 × 554,124.40
  4. Step 4: Simplify right side
    908,418.40x = 753,610,957,198.08
  5. Step 5: Solve for x
    x = 753,610,957,198.08/908,418.40
  6. Step 6: Final answer
    x = 829,585.75

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1.5x scale

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.