Home / 816,820.20-1,225,230.30-606,868.20

Finding the Fourth Proportional to 816,820.20, 1,225,230.30 and 606,868.20

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Solution

The fourth proportional to 816,820.20, 1,225,230.30 and 606,868.20 is: 910,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,820.20 : 1,225,230.30 = 606,868.20 : x
  2. Step 2: Convert to fraction form
    816,820.20/1,225,230.30 = 606,868.20/x
  3. Step 3: Cross multiply
    816,820.20x = 1,225,230.30 × 606,868.20
  4. Step 4: Simplify right side
    816,820.20x = 743,553,306,746.46
  5. Step 5: Solve for x
    x = 743,553,306,746.46/816,820.20
  6. Step 6: Final answer
    x = 910,302.30

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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.