Home / 910,240.02-1,364,910.75-279,001.62

Finding the Fourth Proportional to 910,240.02, 1,364,910.75 and 279,001.62

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Solution

The fourth proportional to 910,240.02, 1,364,910.75 and 279,001.62 is: 418,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,240.02 : 1,364,910.75 = 279,001.62 : x
  2. Step 2: Convert to fraction form
    910,240.02/1,364,910.75 = 279,001.62/x
  3. Step 3: Cross multiply
    910,240.02x = 1,364,910.75 × 279,001.62
  4. Step 4: Simplify right side
    910,240.02x = 380,812,310,405.42
  5. Step 5: Solve for x
    x = 380,812,310,405.42/910,240.02
  6. Step 6: Final answer
    x = 418,364.72

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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.