Home / 908,686.40-1,361,863.20-553,323.20

Finding the Fourth Proportional to 908,686.40, 1,361,863.20 and 553,323.20

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Solution

The fourth proportional to 908,686.40, 1,361,863.20 and 553,323.20 is: 829,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,686.40 : 1,361,863.20 = 553,323.20 : x
  2. Step 2: Convert to fraction form
    908,686.40/1,361,863.20 = 553,323.20/x
  3. Step 3: Cross multiply
    908,686.40x = 1,361,863.20 × 553,323.20
  4. Step 4: Simplify right side
    908,686.40x = 753,550,503,786.24
  5. Step 5: Solve for x
    x = 753,550,503,786.24/908,686.40
  6. Step 6: Final answer
    x = 829,274.55

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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.