Home / 778,832.85-1,168,446.51-239,116.67

Finding the Fourth Proportional to 778,832.85, 1,168,446.51 and 239,116.67

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Solution

The fourth proportional to 778,832.85, 1,168,446.51 and 239,116.67 is: 358,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,832.85 : 1,168,446.51 = 239,116.67 : x
  2. Step 2: Convert to fraction form
    778,832.85/1,168,446.51 = 239,116.67/x
  3. Step 3: Cross multiply
    778,832.85x = 1,168,446.51 × 239,116.67
  4. Step 4: Simplify right side
    778,832.85x = 279,395,032,702.09
  5. Step 5: Solve for x
    x = 279,395,032,702.09/778,832.85
  6. Step 6: Final answer
    x = 358,735.55

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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.