Home / 855,328.98-1,283,278.41-286,766.34

Finding the Fourth Proportional to 855,328.98, 1,283,278.41 and 286,766.34

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Solution

The fourth proportional to 855,328.98, 1,283,278.41 and 286,766.34 is: 430,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,328.98 : 1,283,278.41 = 286,766.34 : x
  2. Step 2: Convert to fraction form
    855,328.98/1,283,278.41 = 286,766.34/x
  3. Step 3: Cross multiply
    855,328.98x = 1,283,278.41 × 286,766.34
  4. Step 4: Simplify right side
    855,328.98x = 368,001,052,836.72
  5. Step 5: Solve for x
    x = 368,001,052,836.72/855,328.98
  6. Step 6: Final answer
    x = 430,245.04

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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.