Home / 712,932.60-1,069,301.70-214,296.60

Finding the Fourth Proportional to 712,932.60, 1,069,301.70 and 214,296.60

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Solution

The fourth proportional to 712,932.60, 1,069,301.70 and 214,296.60 is: 321,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,932.60 : 1,069,301.70 = 214,296.60 : x
  2. Step 2: Convert to fraction form
    712,932.60/1,069,301.70 = 214,296.60/x
  3. Step 3: Cross multiply
    712,932.60x = 1,069,301.70 × 214,296.60
  4. Step 4: Simplify right side
    712,932.60x = 229,147,718,684.22
  5. Step 5: Solve for x
    x = 229,147,718,684.22/712,932.60
  6. Step 6: Final answer
    x = 321,415.68

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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.