Home / 854,227.25-1,178,858.21-472,278.64

Finding the Fourth Proportional to 854,227.25, 1,178,858.21 and 472,278.64

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Solution

The fourth proportional to 854,227.25, 1,178,858.21 and 472,278.64 is: 651,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,227.25 : 1,178,858.21 = 472,278.64 : x
  2. Step 2: Convert to fraction form
    854,227.25/1,178,858.21 = 472,278.64/x
  3. Step 3: Cross multiply
    854,227.25x = 1,178,858.21 × 472,278.64
  4. Step 4: Simplify right side
    854,227.25x = 556,749,552,171.63
  5. Step 5: Solve for x
    x = 556,749,552,171.63/854,227.25
  6. Step 6: Final answer
    x = 651,758.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.