Home / 778,568.76-1,167,490.26-404,491.32

Finding the Fourth Proportional to 778,568.76, 1,167,490.26 and 404,491.32

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Solution

The fourth proportional to 778,568.76, 1,167,490.26 and 404,491.32 is: 606,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,568.76 : 1,167,490.26 = 404,491.32 : x
  2. Step 2: Convert to fraction form
    778,568.76/1,167,490.26 = 404,491.32/x
  3. Step 3: Cross multiply
    778,568.76x = 1,167,490.26 × 404,491.32
  4. Step 4: Simplify right side
    778,568.76x = 472,239,676,354.54
  5. Step 5: Solve for x
    x = 472,239,676,354.54/778,568.76
  6. Step 6: Final answer
    x = 606,548.45

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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.