Home / 860,931.47-1,291,584.03-261,877.06

Finding the Fourth Proportional to 860,931.47, 1,291,584.03 and 261,877.06

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Solution

The fourth proportional to 860,931.47, 1,291,584.03 and 261,877.06 is: 392,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,931.47 : 1,291,584.03 = 261,877.06 : x
  2. Step 2: Convert to fraction form
    860,931.47/1,291,584.03 = 261,877.06/x
  3. Step 3: Cross multiply
    860,931.47x = 1,291,584.03 × 261,877.06
  4. Step 4: Simplify right side
    860,931.47x = 338,236,229,154.92
  5. Step 5: Solve for x
    x = 338,236,229,154.92/860,931.47
  6. Step 6: Final answer
    x = 392,872.42

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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.