Home / 698,009.20-1,046,778.35-265,624.04

Finding the Fourth Proportional to 698,009.20, 1,046,778.35 and 265,624.04

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Solution

The fourth proportional to 698,009.20, 1,046,778.35 and 265,624.04 is: 398,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,009.20 : 1,046,778.35 = 265,624.04 : x
  2. Step 2: Convert to fraction form
    698,009.20/1,046,778.35 = 265,624.04/x
  3. Step 3: Cross multiply
    698,009.20x = 1,046,778.35 × 265,624.04
  4. Step 4: Simplify right side
    698,009.20x = 278,049,495,600.36
  5. Step 5: Solve for x
    x = 278,049,495,600.36/698,009.20
  6. Step 6: Final answer
    x = 398,346.46

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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.