Home / 778,402.56-1,167,653.05-329,064.27

Finding the Fourth Proportional to 778,402.56, 1,167,653.05 and 329,064.27

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Solution

The fourth proportional to 778,402.56, 1,167,653.05 and 329,064.27 is: 493,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,402.56 : 1,167,653.05 = 329,064.27 : x
  2. Step 2: Convert to fraction form
    778,402.56/1,167,653.05 = 329,064.27/x
  3. Step 3: Cross multiply
    778,402.56x = 1,167,653.05 × 329,064.27
  4. Step 4: Simplify right side
    778,402.56x = 384,232,898,511.52
  5. Step 5: Solve for x
    x = 384,232,898,511.52/778,402.56
  6. Step 6: Final answer
    x = 493,617.21

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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.