Home / 910,325.58-1,365,366.85-270,617.32

Finding the Fourth Proportional to 910,325.58, 1,365,366.85 and 270,617.32

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Solution

The fourth proportional to 910,325.58, 1,365,366.85 and 270,617.32 is: 405,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,325.58 : 1,365,366.85 = 270,617.32 : x
  2. Step 2: Convert to fraction form
    910,325.58/1,365,366.85 = 270,617.32/x
  3. Step 3: Cross multiply
    910,325.58x = 1,365,366.85 × 270,617.32
  4. Step 4: Simplify right side
    910,325.58x = 369,491,917,763.84
  5. Step 5: Solve for x
    x = 369,491,917,763.84/910,325.58
  6. Step 6: Final answer
    x = 405,889.86

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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.