Home / 778,214.70-1,166,674.05-329,280.30

Finding the Fourth Proportional to 778,214.70, 1,166,674.05 and 329,280.30

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Solution

The fourth proportional to 778,214.70, 1,166,674.05 and 329,280.30 is: 493,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,214.70 : 1,166,674.05 = 329,280.30 : x
  2. Step 2: Convert to fraction form
    778,214.70/1,166,674.05 = 329,280.30/x
  3. Step 3: Cross multiply
    778,214.70x = 1,166,674.05 × 329,280.30
  4. Step 4: Simplify right side
    778,214.70x = 384,162,781,186.22
  5. Step 5: Solve for x
    x = 384,162,781,186.22/778,214.70
  6. Step 6: Final answer
    x = 493,646.27

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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.