Home / 908,904.20-1,361,801.10-576,091.40

Finding the Fourth Proportional to 908,904.20, 1,361,801.10 and 576,091.40

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Solution

The fourth proportional to 908,904.20, 1,361,801.10 and 576,091.40 is: 863,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,904.20 : 1,361,801.10 = 576,091.40 : x
  2. Step 2: Convert to fraction form
    908,904.20/1,361,801.10 = 576,091.40/x
  3. Step 3: Cross multiply
    908,904.20x = 1,361,801.10 × 576,091.40
  4. Step 4: Simplify right side
    908,904.20x = 784,521,902,220.54
  5. Step 5: Solve for x
    x = 784,521,902,220.54/908,904.20
  6. Step 6: Final answer
    x = 863,151.37

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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.