Home / 886,280.13-1,329,141.35-287,102.27

Finding the Fourth Proportional to 886,280.13, 1,329,141.35 and 287,102.27

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Solution

The fourth proportional to 886,280.13, 1,329,141.35 and 287,102.27 is: 430,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,280.13 : 1,329,141.35 = 287,102.27 : x
  2. Step 2: Convert to fraction form
    886,280.13/1,329,141.35 = 287,102.27/x
  3. Step 3: Cross multiply
    886,280.13x = 1,329,141.35 × 287,102.27
  4. Step 4: Simplify right side
    886,280.13x = 381,599,498,018.11
  5. Step 5: Solve for x
    x = 381,599,498,018.11/886,280.13
  6. Step 6: Final answer
    x = 430,563.08

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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.