Home / 824,795.80-1,236,603.30-318,923.80

Finding the Fourth Proportional to 824,795.80, 1,236,603.30 and 318,923.80

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Solution

The fourth proportional to 824,795.80, 1,236,603.30 and 318,923.80 is: 478,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,795.80 : 1,236,603.30 = 318,923.80 : x
  2. Step 2: Convert to fraction form
    824,795.80/1,236,603.30 = 318,923.80/x
  3. Step 3: Cross multiply
    824,795.80x = 1,236,603.30 × 318,923.80
  4. Step 4: Simplify right side
    824,795.80x = 394,382,223,528.54
  5. Step 5: Solve for x
    x = 394,382,223,528.54/824,795.80
  6. Step 6: Final answer
    x = 478,157.41

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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.