Home / 910,238.64-1,365,306.84-279,150.72

Finding the Fourth Proportional to 910,238.64, 1,365,306.84 and 279,150.72

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Solution

The fourth proportional to 910,238.64, 1,365,306.84 and 279,150.72 is: 418,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,238.64 : 1,365,306.84 = 279,150.72 : x
  2. Step 2: Convert to fraction form
    910,238.64/1,365,306.84 = 279,150.72/x
  3. Step 3: Cross multiply
    910,238.64x = 1,365,306.84 × 279,150.72
  4. Step 4: Simplify right side
    910,238.64x = 381,126,387,406.93
  5. Step 5: Solve for x
    x = 381,126,387,406.93/910,238.64
  6. Step 6: Final answer
    x = 418,710.40

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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.