Home / 908,712.80-1,363,069.20-696,136.40

Finding the Fourth Proportional to 908,712.80, 1,363,069.20 and 696,136.40

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Solution

The fourth proportional to 908,712.80, 1,363,069.20 and 696,136.40 is: 1,044,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,712.80 : 1,363,069.20 = 696,136.40 : x
  2. Step 2: Convert to fraction form
    908,712.80/1,363,069.20 = 696,136.40/x
  3. Step 3: Cross multiply
    908,712.80x = 1,363,069.20 × 696,136.40
  4. Step 4: Simplify right side
    908,712.80x = 948,882,085,838.88
  5. Step 5: Solve for x
    x = 948,882,085,838.88/908,712.80
  6. Step 6: Final answer
    x = 1,044,204.60

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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.