Home / 776,486.30-1,164,846.96-243,957.20

Finding the Fourth Proportional to 776,486.30, 1,164,846.96 and 243,957.20

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Solution

The fourth proportional to 776,486.30, 1,164,846.96 and 243,957.20 is: 365,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,486.30 : 1,164,846.96 = 243,957.20 : x
  2. Step 2: Convert to fraction form
    776,486.30/1,164,846.96 = 243,957.20/x
  3. Step 3: Cross multiply
    776,486.30x = 1,164,846.96 × 243,957.20
  4. Step 4: Simplify right side
    776,486.30x = 284,172,796,965.88
  5. Step 5: Solve for x
    x = 284,172,796,965.88/776,486.30
  6. Step 6: Final answer
    x = 365,972.71

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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.