Home / 928,858.20-1,393,287.30-893,428.80

Finding the Fourth Proportional to 928,858.20, 1,393,287.30 and 893,428.80

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Solution

The fourth proportional to 928,858.20, 1,393,287.30 and 893,428.80 is: 1,340,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,858.20 : 1,393,287.30 = 893,428.80 : x
  2. Step 2: Convert to fraction form
    928,858.20/1,393,287.30 = 893,428.80/x
  3. Step 3: Cross multiply
    928,858.20x = 1,393,287.30 × 893,428.80
  4. Step 4: Simplify right side
    928,858.20x = 1,244,803,000,494.24
  5. Step 5: Solve for x
    x = 1,244,803,000,494.24/928,858.20
  6. Step 6: Final answer
    x = 1,340,143.20

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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.