Home / 749,196.80-1,033,806.72-443,282.56

Finding the Fourth Proportional to 749,196.80, 1,033,806.72 and 443,282.56

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Solution

The fourth proportional to 749,196.80, 1,033,806.72 and 443,282.56 is: 611,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,196.80 : 1,033,806.72 = 443,282.56 : x
  2. Step 2: Convert to fraction form
    749,196.80/1,033,806.72 = 443,282.56/x
  3. Step 3: Cross multiply
    749,196.80x = 1,033,806.72 × 443,282.56
  4. Step 4: Simplify right side
    749,196.80x = 458,268,489,386.80
  5. Step 5: Solve for x
    x = 458,268,489,386.80/749,196.80
  6. Step 6: Final answer
    x = 611,679.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.