Home / 769,068.74-1,152,844.95-270,082.82

Finding the Fourth Proportional to 769,068.74, 1,152,844.95 and 270,082.82

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Solution

The fourth proportional to 769,068.74, 1,152,844.95 and 270,082.82 is: 404,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,068.74 : 1,152,844.95 = 270,082.82 : x
  2. Step 2: Convert to fraction form
    769,068.74/1,152,844.95 = 270,082.82/x
  3. Step 3: Cross multiply
    769,068.74x = 1,152,844.95 × 270,082.82
  4. Step 4: Simplify right side
    769,068.74x = 311,363,613,768.35
  5. Step 5: Solve for x
    x = 311,363,613,768.35/769,068.74
  6. Step 6: Final answer
    x = 404,857.98

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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.