Home / 854,272.17-1,178,919.36-472,323.56

Finding the Fourth Proportional to 854,272.17, 1,178,919.36 and 472,323.56

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Solution

The fourth proportional to 854,272.17, 1,178,919.36 and 472,323.56 is: 651,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,272.17 : 1,178,919.36 = 472,323.56 : x
  2. Step 2: Convert to fraction form
    854,272.17/1,178,919.36 = 472,323.56/x
  3. Step 3: Cross multiply
    854,272.17x = 1,178,919.36 × 472,323.56
  4. Step 4: Simplify right side
    854,272.17x = 556,831,383,173.53
  5. Step 5: Solve for x
    x = 556,831,383,173.53/854,272.17
  6. Step 6: Final answer
    x = 651,819.65

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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.