Home / 886,267.17-1,329,116.45-287,083.85

Finding the Fourth Proportional to 886,267.17, 1,329,116.45 and 287,083.85

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Solution

The fourth proportional to 886,267.17, 1,329,116.45 and 287,083.85 is: 430,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,267.17 : 1,329,116.45 = 287,083.85 : x
  2. Step 2: Convert to fraction form
    886,267.17/1,329,116.45 = 287,083.85/x
  3. Step 3: Cross multiply
    886,267.17x = 1,329,116.45 × 287,083.85
  4. Step 4: Simplify right side
    886,267.17x = 381,567,859,483.33
  5. Step 5: Solve for x
    x = 381,567,859,483.33/886,267.17
  6. Step 6: Final answer
    x = 430,533.67

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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.