Home / 677,850.16-1,017,062.36-340,713.24

Finding the Fourth Proportional to 677,850.16, 1,017,062.36 and 340,713.24

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Solution

The fourth proportional to 677,850.16, 1,017,062.36 and 340,713.24 is: 511,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,850.16 : 1,017,062.36 = 340,713.24 : x
  2. Step 2: Convert to fraction form
    677,850.16/1,017,062.36 = 340,713.24/x
  3. Step 3: Cross multiply
    677,850.16x = 1,017,062.36 × 340,713.24
  4. Step 4: Simplify right side
    677,850.16x = 346,526,611,957.65
  5. Step 5: Solve for x
    x = 346,526,611,957.65/677,850.16
  6. Step 6: Final answer
    x = 511,214.18

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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.