Home / 712,712.12-1,069,235.78-207,284.27

Finding the Fourth Proportional to 712,712.12, 1,069,235.78 and 207,284.27

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Solution

The fourth proportional to 712,712.12, 1,069,235.78 and 207,284.27 is: 310,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,712.12 : 1,069,235.78 = 207,284.27 : x
  2. Step 2: Convert to fraction form
    712,712.12/1,069,235.78 = 207,284.27/x
  3. Step 3: Cross multiply
    712,712.12x = 1,069,235.78 × 207,284.27
  4. Step 4: Simplify right side
    712,712.12x = 221,635,751,732.58
  5. Step 5: Solve for x
    x = 221,635,751,732.58/712,712.12
  6. Step 6: Final answer
    x = 310,975.14

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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.