Home / 778,298.52-1,167,300.16-329,332.94

Finding the Fourth Proportional to 778,298.52, 1,167,300.16 and 329,332.94

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Solution

The fourth proportional to 778,298.52, 1,167,300.16 and 329,332.94 is: 493,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,298.52 : 1,167,300.16 = 329,332.94 : x
  2. Step 2: Convert to fraction form
    778,298.52/1,167,300.16 = 329,332.94/x
  3. Step 3: Cross multiply
    778,298.52x = 1,167,300.16 × 329,332.94
  4. Step 4: Simplify right side
    778,298.52x = 384,430,393,555.27
  5. Step 5: Solve for x
    x = 384,430,393,555.27/778,298.52
  6. Step 6: Final answer
    x = 493,936.95

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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.