Home / 698,695.40-1,047,295.67-361,396.49

Finding the Fourth Proportional to 698,695.40, 1,047,295.67 and 361,396.49

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Solution

The fourth proportional to 698,695.40, 1,047,295.67 and 361,396.49 is: 541,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,695.40 : 1,047,295.67 = 361,396.49 : x
  2. Step 2: Convert to fraction form
    698,695.40/1,047,295.67 = 361,396.49/x
  3. Step 3: Cross multiply
    698,695.40x = 1,047,295.67 × 361,396.49
  4. Step 4: Simplify right side
    698,695.40x = 378,488,972,086.74
  5. Step 5: Solve for x
    x = 378,488,972,086.74/698,695.40
  6. Step 6: Final answer
    x = 541,708.12

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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.