Home / 712,932.30-1,069,399.26-214,296.30

Finding the Fourth Proportional to 712,932.30, 1,069,399.26 and 214,296.30

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Solution

The fourth proportional to 712,932.30, 1,069,399.26 and 214,296.30 is: 321,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,932.30 : 1,069,399.26 = 214,296.30 : x
  2. Step 2: Convert to fraction form
    712,932.30/1,069,399.26 = 214,296.30/x
  3. Step 3: Cross multiply
    712,932.30x = 1,069,399.26 × 214,296.30
  4. Step 4: Simplify right side
    712,932.30x = 229,168,304,640.74
  5. Step 5: Solve for x
    x = 229,168,304,640.74/712,932.30
  6. Step 6: Final answer
    x = 321,444.69

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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.