Home / 698,169.20-1,046,562.60-342,892.40

Finding the Fourth Proportional to 698,169.20, 1,046,562.60 and 342,892.40

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Solution

The fourth proportional to 698,169.20, 1,046,562.60 and 342,892.40 is: 513,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,169.20 : 1,046,562.60 = 342,892.40 : x
  2. Step 2: Convert to fraction form
    698,169.20/1,046,562.60 = 342,892.40/x
  3. Step 3: Cross multiply
    698,169.20x = 1,046,562.60 × 342,892.40
  4. Step 4: Simplify right side
    698,169.20x = 358,858,361,664.24
  5. Step 5: Solve for x
    x = 358,858,361,664.24/698,169.20
  6. Step 6: Final answer
    x = 513,999.13

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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.