Home / 908,279.80-1,361,253.30-696,869.80

Finding the Fourth Proportional to 908,279.80, 1,361,253.30 and 696,869.80

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Solution

The fourth proportional to 908,279.80, 1,361,253.30 and 696,869.80 is: 1,044,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,279.80 : 1,361,253.30 = 696,869.80 : x
  2. Step 2: Convert to fraction form
    908,279.80/1,361,253.30 = 696,869.80/x
  3. Step 3: Cross multiply
    908,279.80x = 1,361,253.30 × 696,869.80
  4. Step 4: Simplify right side
    908,279.80x = 948,616,314,920.34
  5. Step 5: Solve for x
    x = 948,616,314,920.34/908,279.80
  6. Step 6: Final answer
    x = 1,044,409.79

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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.