Home / 778,522.35-1,167,223.07-478,382.82

Finding the Fourth Proportional to 778,522.35, 1,167,223.07 and 478,382.82

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Solution

The fourth proportional to 778,522.35, 1,167,223.07 and 478,382.82 is: 717,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,522.35 : 1,167,223.07 = 478,382.82 : x
  2. Step 2: Convert to fraction form
    778,522.35/1,167,223.07 = 478,382.82/x
  3. Step 3: Cross multiply
    778,522.35x = 1,167,223.07 × 478,382.82
  4. Step 4: Simplify right side
    778,522.35x = 558,379,463,795.66
  5. Step 5: Solve for x
    x = 558,379,463,795.66/778,522.35
  6. Step 6: Final answer
    x = 717,229.84

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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.