Home / 886,289.88-1,329,155.96-287,112.04

Finding the Fourth Proportional to 886,289.88, 1,329,155.96 and 287,112.04

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Solution

The fourth proportional to 886,289.88, 1,329,155.96 and 287,112.04 is: 430,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,289.88 : 1,329,155.96 = 287,112.04 : x
  2. Step 2: Convert to fraction form
    886,289.88/1,329,155.96 = 287,112.04/x
  3. Step 3: Cross multiply
    886,289.88x = 1,329,155.96 × 287,112.04
  4. Step 4: Simplify right side
    886,289.88x = 381,616,679,153.76
  5. Step 5: Solve for x
    x = 381,616,679,153.76/886,289.88
  6. Step 6: Final answer
    x = 430,577.72

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1.5x scale

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.