Home / 847,180.44-1,270,731.78-286,219.80

Finding the Fourth Proportional to 847,180.44, 1,270,731.78 and 286,219.80

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Solution

The fourth proportional to 847,180.44, 1,270,731.78 and 286,219.80 is: 429,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,180.44 : 1,270,731.78 = 286,219.80 : x
  2. Step 2: Convert to fraction form
    847,180.44/1,270,731.78 = 286,219.80/x
  3. Step 3: Cross multiply
    847,180.44x = 1,270,731.78 × 286,219.80
  4. Step 4: Simplify right side
    847,180.44x = 363,708,595,925.24
  5. Step 5: Solve for x
    x = 363,708,595,925.24/847,180.44
  6. Step 6: Final answer
    x = 429,316.56

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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.