Home / 709,003.33-1,063,965.08-424,479.49

Finding the Fourth Proportional to 709,003.33, 1,063,965.08 and 424,479.49

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Solution

The fourth proportional to 709,003.33, 1,063,965.08 and 424,479.49 is: 636,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,003.33 : 1,063,965.08 = 424,479.49 : x
  2. Step 2: Convert to fraction form
    709,003.33/1,063,965.08 = 424,479.49/x
  3. Step 3: Cross multiply
    709,003.33x = 1,063,965.08 × 424,479.49
  4. Step 4: Simplify right side
    709,003.33x = 451,631,354,536.21
  5. Step 5: Solve for x
    x = 451,631,354,536.21/709,003.33
  6. Step 6: Final answer
    x = 636,994.69

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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.