Home / 847,288.44-1,270,893.78-286,327.80

Finding the Fourth Proportional to 847,288.44, 1,270,893.78 and 286,327.80

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Solution

The fourth proportional to 847,288.44, 1,270,893.78 and 286,327.80 is: 429,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,288.44 : 1,270,893.78 = 286,327.80 : x
  2. Step 2: Convert to fraction form
    847,288.44/1,270,893.78 = 286,327.80/x
  3. Step 3: Cross multiply
    847,288.44x = 1,270,893.78 × 286,327.80
  4. Step 4: Simplify right side
    847,288.44x = 363,892,220,061.08
  5. Step 5: Solve for x
    x = 363,892,220,061.08/847,288.44
  6. Step 6: Final answer
    x = 429,478.56

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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.