Home / 629,351.40-868,502.34-342,870.60

Finding the Fourth Proportional to 629,351.40, 868,502.34 and 342,870.60

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Solution

The fourth proportional to 629,351.40, 868,502.34 and 342,870.60 is: 473,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,351.40 : 868,502.34 = 342,870.60 : x
  2. Step 2: Convert to fraction form
    629,351.40/868,502.34 = 342,870.60/x
  3. Step 3: Cross multiply
    629,351.40x = 868,502.34 × 342,870.60
  4. Step 4: Simplify right side
    629,351.40x = 297,783,918,417.20
  5. Step 5: Solve for x
    x = 297,783,918,417.20/629,351.40
  6. Step 6: Final answer
    x = 473,160.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.