Home / 629,598.05-868,819.95-343,111.98

Finding the Fourth Proportional to 629,598.05, 868,819.95 and 343,111.98

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Solution

The fourth proportional to 629,598.05, 868,819.95 and 343,111.98 is: 473,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,598.05 : 868,819.95 = 343,111.98 : x
  2. Step 2: Convert to fraction form
    629,598.05/868,819.95 = 343,111.98/x
  3. Step 3: Cross multiply
    629,598.05x = 868,819.95 × 343,111.98
  4. Step 4: Simplify right side
    629,598.05x = 298,102,533,308.00
  5. Step 5: Solve for x
    x = 298,102,533,308.00/629,598.05
  6. Step 6: Final answer
    x = 473,480.72

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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.