Home / 860,542.92-1,290,895.47-253,331.69

Finding the Fourth Proportional to 860,542.92, 1,290,895.47 and 253,331.69

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Solution

The fourth proportional to 860,542.92, 1,290,895.47 and 253,331.69 is: 380,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,542.92 : 1,290,895.47 = 253,331.69 : x
  2. Step 2: Convert to fraction form
    860,542.92/1,290,895.47 = 253,331.69/x
  3. Step 3: Cross multiply
    860,542.92x = 1,290,895.47 × 253,331.69
  4. Step 4: Simplify right side
    860,542.92x = 327,024,724,573.97
  5. Step 5: Solve for x
    x = 327,024,724,573.97/860,542.92
  6. Step 6: Final answer
    x = 380,021.40

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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.