Home / 842,882.76-1,264,449.96-310,362.84

Finding the Fourth Proportional to 842,882.76, 1,264,449.96 and 310,362.84

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Solution

The fourth proportional to 842,882.76, 1,264,449.96 and 310,362.84 is: 465,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,882.76 : 1,264,449.96 = 310,362.84 : x
  2. Step 2: Convert to fraction form
    842,882.76/1,264,449.96 = 310,362.84/x
  3. Step 3: Cross multiply
    842,882.76x = 1,264,449.96 × 310,362.84
  4. Step 4: Simplify right side
    842,882.76x = 392,438,280,623.49
  5. Step 5: Solve for x
    x = 392,438,280,623.49/842,882.76
  6. Step 6: Final answer
    x = 465,590.59

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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.