Home / 629,246.54-943,505.30-429,807.94

Finding the Fourth Proportional to 629,246.54, 943,505.30 and 429,807.94

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Solution

The fourth proportional to 629,246.54, 943,505.30 and 429,807.94 is: 644,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,246.54 : 943,505.30 = 429,807.94 : x
  2. Step 2: Convert to fraction form
    629,246.54/943,505.30 = 429,807.94/x
  3. Step 3: Cross multiply
    629,246.54x = 943,505.30 × 429,807.94
  4. Step 4: Simplify right side
    629,246.54x = 405,526,069,372.08
  5. Step 5: Solve for x
    x = 405,526,069,372.08/629,246.54
  6. Step 6: Final answer
    x = 644,462.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.