Home / 868,907.76-1,301,664.85-412,849.96

Finding the Fourth Proportional to 868,907.76, 1,301,664.85 and 412,849.96

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Solution

The fourth proportional to 868,907.76, 1,301,664.85 and 412,849.96 is: 618,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,907.76 : 1,301,664.85 = 412,849.96 : x
  2. Step 2: Convert to fraction form
    868,907.76/1,301,664.85 = 412,849.96/x
  3. Step 3: Cross multiply
    868,907.76x = 1,301,664.85 × 412,849.96
  4. Step 4: Simplify right side
    868,907.76x = 537,392,287,861.13
  5. Step 5: Solve for x
    x = 537,392,287,861.13/868,907.76
  6. Step 6: Final answer
    x = 618,468.74

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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.