Home / 778,423.82-1,167,684.98-329,085.52

Finding the Fourth Proportional to 778,423.82, 1,167,684.98 and 329,085.52

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Solution

The fourth proportional to 778,423.82, 1,167,684.98 and 329,085.52 is: 493,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,423.82 : 1,167,684.98 = 329,085.52 : x
  2. Step 2: Convert to fraction form
    778,423.82/1,167,684.98 = 329,085.52/x
  3. Step 3: Cross multiply
    778,423.82x = 1,167,684.98 × 329,085.52
  4. Step 4: Simplify right side
    778,423.82x = 384,268,218,839.49
  5. Step 5: Solve for x
    x = 384,268,218,839.49/778,423.82
  6. Step 6: Final answer
    x = 493,649.10

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Double scale
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1.5x scale

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.