Home / 629,233.80-943,486.18-429,795.20

Finding the Fourth Proportional to 629,233.80, 943,486.18 and 429,795.20

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Solution

The fourth proportional to 629,233.80, 943,486.18 and 429,795.20 is: 644,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,233.80 : 943,486.18 = 429,795.20 : x
  2. Step 2: Convert to fraction form
    629,233.80/943,486.18 = 429,795.20/x
  3. Step 3: Cross multiply
    629,233.80x = 943,486.18 × 429,795.20
  4. Step 4: Simplify right side
    629,233.80x = 405,505,831,430.34
  5. Step 5: Solve for x
    x = 405,505,831,430.34/629,233.80
  6. Step 6: Final answer
    x = 644,443.82

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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.