Home / 823,442.40-1,235,624.40-350,047.20

Finding the Fourth Proportional to 823,442.40, 1,235,624.40 and 350,047.20

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Solution

The fourth proportional to 823,442.40, 1,235,624.40 and 350,047.20 is: 525,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,442.40 : 1,235,624.40 = 350,047.20 : x
  2. Step 2: Convert to fraction form
    823,442.40/1,235,624.40 = 350,047.20/x
  3. Step 3: Cross multiply
    823,442.40x = 1,235,624.40 × 350,047.20
  4. Step 4: Simplify right side
    823,442.40x = 432,526,861,471.68
  5. Step 5: Solve for x
    x = 432,526,861,471.68/823,442.40
  6. Step 6: Final answer
    x = 525,266.69

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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.