Home / 909,604.08-1,255,599.48-683,905.20

Finding the Fourth Proportional to 909,604.08, 1,255,599.48 and 683,905.20

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Solution

The fourth proportional to 909,604.08, 1,255,599.48 and 683,905.20 is: 944,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,604.08 : 1,255,599.48 = 683,905.20 : x
  2. Step 2: Convert to fraction form
    909,604.08/1,255,599.48 = 683,905.20/x
  3. Step 3: Cross multiply
    909,604.08x = 1,255,599.48 × 683,905.20
  4. Step 4: Simplify right side
    909,604.08x = 858,711,013,489.30
  5. Step 5: Solve for x
    x = 858,711,013,489.30/909,604.08
  6. Step 6: Final answer
    x = 944,049.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.