Home / 842,830.56-1,264,246.92-344,194.56

Finding the Fourth Proportional to 842,830.56, 1,264,246.92 and 344,194.56

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Solution

The fourth proportional to 842,830.56, 1,264,246.92 and 344,194.56 is: 516,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,830.56 : 1,264,246.92 = 344,194.56 : x
  2. Step 2: Convert to fraction form
    842,830.56/1,264,246.92 = 344,194.56/x
  3. Step 3: Cross multiply
    842,830.56x = 1,264,246.92 × 344,194.56
  4. Step 4: Simplify right side
    842,830.56x = 435,146,912,360.76
  5. Step 5: Solve for x
    x = 435,146,912,360.76/842,830.56
  6. Step 6: Final answer
    x = 516,292.28

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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.