Home / 778,896.17-1,168,437.53-239,081.75

Finding the Fourth Proportional to 778,896.17, 1,168,437.53 and 239,081.75

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Solution

The fourth proportional to 778,896.17, 1,168,437.53 and 239,081.75 is: 358,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,896.17 : 1,168,437.53 = 239,081.75 : x
  2. Step 2: Convert to fraction form
    778,896.17/1,168,437.53 = 239,081.75/x
  3. Step 3: Cross multiply
    778,896.17x = 1,168,437.53 × 239,081.75
  4. Step 4: Simplify right side
    778,896.17x = 279,352,084,193.59
  5. Step 5: Solve for x
    x = 279,352,084,193.59/778,896.17
  6. Step 6: Final answer
    x = 358,651.25

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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.