Home / 629,323.18-868,475.40-342,843.18

Finding the Fourth Proportional to 629,323.18, 868,475.40 and 342,843.18

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Solution

The fourth proportional to 629,323.18, 868,475.40 and 342,843.18 is: 473,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,323.18 : 868,475.40 = 342,843.18 : x
  2. Step 2: Convert to fraction form
    629,323.18/868,475.40 = 342,843.18/x
  3. Step 3: Cross multiply
    629,323.18x = 868,475.40 × 342,843.18
  4. Step 4: Simplify right side
    629,323.18x = 297,750,867,887.77
  5. Step 5: Solve for x
    x = 297,750,867,887.77/629,323.18
  6. Step 6: Final answer
    x = 473,128.72

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1.5x scale

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.