Home / 678,675.34-1,017,844.79-229,386.23

Finding the Fourth Proportional to 678,675.34, 1,017,844.79 and 229,386.23

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Solution

The fourth proportional to 678,675.34, 1,017,844.79 and 229,386.23 is: 344,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,675.34 : 1,017,844.79 = 229,386.23 : x
  2. Step 2: Convert to fraction form
    678,675.34/1,017,844.79 = 229,386.23/x
  3. Step 3: Cross multiply
    678,675.34x = 1,017,844.79 × 229,386.23
  4. Step 4: Simplify right side
    678,675.34x = 233,479,574,014.02
  5. Step 5: Solve for x
    x = 233,479,574,014.02/678,675.34
  6. Step 6: Final answer
    x = 344,022.48

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Double scale
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Similar ratio
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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.