Home / 629,426.86-868,598.13-342,949.30

Finding the Fourth Proportional to 629,426.86, 868,598.13 and 342,949.30

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Solution

The fourth proportional to 629,426.86, 868,598.13 and 342,949.30 is: 473,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,426.86 : 868,598.13 = 342,949.30 : x
  2. Step 2: Convert to fraction form
    629,426.86/868,598.13 = 342,949.30/x
  3. Step 3: Cross multiply
    629,426.86x = 868,598.13 × 342,949.30
  4. Step 4: Simplify right side
    629,426.86x = 297,885,120,664.81
  5. Step 5: Solve for x
    x = 297,885,120,664.81/629,426.86
  6. Step 6: Final answer
    x = 473,264.07

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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.