Home / 900,868.77-1,351,089.90-261,003.15

Finding the Fourth Proportional to 900,868.77, 1,351,089.90 and 261,003.15

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Solution

The fourth proportional to 900,868.77, 1,351,089.90 and 261,003.15 is: 391,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,868.77 : 1,351,089.90 = 261,003.15 : x
  2. Step 2: Convert to fraction form
    900,868.77/1,351,089.90 = 261,003.15/x
  3. Step 3: Cross multiply
    900,868.77x = 1,351,089.90 × 261,003.15
  4. Step 4: Simplify right side
    900,868.77x = 352,638,719,833.19
  5. Step 5: Solve for x
    x = 352,638,719,833.19/900,868.77
  6. Step 6: Final answer
    x = 391,442.94

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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.