Home / 778,410.63-1,167,665.23-329,047.74

Finding the Fourth Proportional to 778,410.63, 1,167,665.23 and 329,047.74

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Solution

The fourth proportional to 778,410.63, 1,167,665.23 and 329,047.74 is: 493,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,410.63 : 1,167,665.23 = 329,047.74 : x
  2. Step 2: Convert to fraction form
    778,410.63/1,167,665.23 = 329,047.74/x
  3. Step 3: Cross multiply
    778,410.63x = 1,167,665.23 × 329,047.74
  4. Step 4: Simplify right side
    778,410.63x = 384,217,607,947.24
  5. Step 5: Solve for x
    x = 384,217,607,947.24/778,410.63
  6. Step 6: Final answer
    x = 493,592.45

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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.