Home / 677,491.16-1,016,795.84-340,627.55

Finding the Fourth Proportional to 677,491.16, 1,016,795.84 and 340,627.55

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Solution

The fourth proportional to 677,491.16, 1,016,795.84 and 340,627.55 is: 511,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,491.16 : 1,016,795.84 = 340,627.55 : x
  2. Step 2: Convert to fraction form
    677,491.16/1,016,795.84 = 340,627.55/x
  3. Step 3: Cross multiply
    677,491.16x = 1,016,795.84 × 340,627.55
  4. Step 4: Simplify right side
    677,491.16x = 346,348,669,042.28
  5. Step 5: Solve for x
    x = 346,348,669,042.28/677,491.16
  6. Step 6: Final answer
    x = 511,222.42

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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.