Home / 823,472.52-1,235,308.40-290,884.56

Finding the Fourth Proportional to 823,472.52, 1,235,308.40 and 290,884.56

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Solution

The fourth proportional to 823,472.52, 1,235,308.40 and 290,884.56 is: 436,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,472.52 : 1,235,308.40 = 290,884.56 : x
  2. Step 2: Convert to fraction form
    823,472.52/1,235,308.40 = 290,884.56/x
  3. Step 3: Cross multiply
    823,472.52x = 1,235,308.40 × 290,884.56
  4. Step 4: Simplify right side
    823,472.52x = 359,332,140,398.30
  5. Step 5: Solve for x
    x = 359,332,140,398.30/823,472.52
  6. Step 6: Final answer
    x = 436,362.03

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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.