Home / 629,426.36-868,597.44-342,948.80

Finding the Fourth Proportional to 629,426.36, 868,597.44 and 342,948.80

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Solution

The fourth proportional to 629,426.36, 868,597.44 and 342,948.80 is: 473,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,426.36 : 868,597.44 = 342,948.80 : x
  2. Step 2: Convert to fraction form
    629,426.36/868,597.44 = 342,948.80/x
  3. Step 3: Cross multiply
    629,426.36x = 868,597.44 × 342,948.80
  4. Step 4: Simplify right side
    629,426.36x = 297,884,449,731.07
  5. Step 5: Solve for x
    x = 297,884,449,731.07/629,426.36
  6. Step 6: Final answer
    x = 473,263.38

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Double scale
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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.