Home / 910,287.24-1,365,431.54-311,252.90

Finding the Fourth Proportional to 910,287.24, 1,365,431.54 and 311,252.90

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Solution

The fourth proportional to 910,287.24, 1,365,431.54 and 311,252.90 is: 466,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,287.24 : 1,365,431.54 = 311,252.90 : x
  2. Step 2: Convert to fraction form
    910,287.24/1,365,431.54 = 311,252.90/x
  3. Step 3: Cross multiply
    910,287.24x = 1,365,431.54 × 311,252.90
  4. Step 4: Simplify right side
    910,287.24x = 424,994,526,576.47
  5. Step 5: Solve for x
    x = 424,994,526,576.47/910,287.24
  6. Step 6: Final answer
    x = 466,879.58

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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.