Home / 855,851.81-1,283,902.85-256,860.29

Finding the Fourth Proportional to 855,851.81, 1,283,902.85 and 256,860.29

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Solution

The fourth proportional to 855,851.81, 1,283,902.85 and 256,860.29 is: 385,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,851.81 : 1,283,902.85 = 256,860.29 : x
  2. Step 2: Convert to fraction form
    855,851.81/1,283,902.85 = 256,860.29/x
  3. Step 3: Cross multiply
    855,851.81x = 1,283,902.85 × 256,860.29
  4. Step 4: Simplify right side
    855,851.81x = 329,783,660,308.28
  5. Step 5: Solve for x
    x = 329,783,660,308.28/855,851.81
  6. Step 6: Final answer
    x = 385,328.00

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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.