Home / 713,353.74-1,069,719.54-269,810.70

Finding the Fourth Proportional to 713,353.74, 1,069,719.54 and 269,810.70

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Solution

The fourth proportional to 713,353.74, 1,069,719.54 and 269,810.70 is: 404,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,353.74 : 1,069,719.54 = 269,810.70 : x
  2. Step 2: Convert to fraction form
    713,353.74/1,069,719.54 = 269,810.70/x
  3. Step 3: Cross multiply
    713,353.74x = 1,069,719.54 × 269,810.70
  4. Step 4: Simplify right side
    713,353.74x = 288,621,777,891.08
  5. Step 5: Solve for x
    x = 288,621,777,891.08/713,353.74
  6. Step 6: Final answer
    x = 404,598.39

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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.