Home / 891,903.32-1,338,229.80-555,225.60

Finding the Fourth Proportional to 891,903.32, 1,338,229.80 and 555,225.60

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Solution

The fourth proportional to 891,903.32, 1,338,229.80 and 555,225.60 is: 833,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,903.32 : 1,338,229.80 = 555,225.60 : x
  2. Step 2: Convert to fraction form
    891,903.32/1,338,229.80 = 555,225.60/x
  3. Step 3: Cross multiply
    891,903.32x = 1,338,229.80 × 555,225.60
  4. Step 4: Simplify right side
    891,903.32x = 743,019,443,642.88
  5. Step 5: Solve for x
    x = 743,019,443,642.88/891,903.32
  6. Step 6: Final answer
    x = 833,071.73

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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.