Home / 860,992.56-1,291,779.48-381,154.18

Finding the Fourth Proportional to 860,992.56, 1,291,779.48 and 381,154.18

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Solution

The fourth proportional to 860,992.56, 1,291,779.48 and 381,154.18 is: 571,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,992.56 : 1,291,779.48 = 381,154.18 : x
  2. Step 2: Convert to fraction form
    860,992.56/1,291,779.48 = 381,154.18/x
  3. Step 3: Cross multiply
    860,992.56x = 1,291,779.48 × 381,154.18
  4. Step 4: Simplify right side
    860,992.56x = 492,367,148,440.23
  5. Step 5: Solve for x
    x = 492,367,148,440.23/860,992.56
  6. Step 6: Final answer
    x = 571,859.93

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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.