Home / 745,074.12-1,117,799.80-212,597.02

Finding the Fourth Proportional to 745,074.12, 1,117,799.80 and 212,597.02

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Solution

The fourth proportional to 745,074.12, 1,117,799.80 and 212,597.02 is: 318,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,074.12 : 1,117,799.80 = 212,597.02 : x
  2. Step 2: Convert to fraction form
    745,074.12/1,117,799.80 = 212,597.02/x
  3. Step 3: Cross multiply
    745,074.12x = 1,117,799.80 × 212,597.02
  4. Step 4: Simplify right side
    745,074.12x = 237,640,906,436.60
  5. Step 5: Solve for x
    x = 237,640,906,436.60/745,074.12
  6. Step 6: Final answer
    x = 318,949.35

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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.