Home / 671,933.42-1,005,532.03-419,332.65

Finding the Fourth Proportional to 671,933.42, 1,005,532.03 and 419,332.65

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Solution

The fourth proportional to 671,933.42, 1,005,532.03 and 419,332.65 is: 627,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,933.42 : 1,005,532.03 = 419,332.65 : x
  2. Step 2: Convert to fraction form
    671,933.42/1,005,532.03 = 419,332.65/x
  3. Step 3: Cross multiply
    671,933.42x = 1,005,532.03 × 419,332.65
  4. Step 4: Simplify right side
    671,933.42x = 421,652,405,194.45
  5. Step 5: Solve for x
    x = 421,652,405,194.45/671,933.42
  6. Step 6: Final answer
    x = 627,521.11

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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.