Home / 823,258.95-1,234,178.73-318,174.27

Finding the Fourth Proportional to 823,258.95, 1,234,178.73 and 318,174.27

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Solution

The fourth proportional to 823,258.95, 1,234,178.73 and 318,174.27 is: 476,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,258.95 : 1,234,178.73 = 318,174.27 : x
  2. Step 2: Convert to fraction form
    823,258.95/1,234,178.73 = 318,174.27/x
  3. Step 3: Cross multiply
    823,258.95x = 1,234,178.73 × 318,174.27
  4. Step 4: Simplify right side
    823,258.95x = 392,683,916,467.28
  5. Step 5: Solve for x
    x = 392,683,916,467.28/823,258.95
  6. Step 6: Final answer
    x = 476,987.12

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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.