Home / 854,334.54-1,178,878.59-472,309.38

Finding the Fourth Proportional to 854,334.54, 1,178,878.59 and 472,309.38

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Solution

The fourth proportional to 854,334.54, 1,178,878.59 and 472,309.38 is: 651,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,334.54 : 1,178,878.59 = 472,309.38 : x
  2. Step 2: Convert to fraction form
    854,334.54/1,178,878.59 = 472,309.38/x
  3. Step 3: Cross multiply
    854,334.54x = 1,178,878.59 × 472,309.38
  4. Step 4: Simplify right side
    854,334.54x = 556,795,415,938.17
  5. Step 5: Solve for x
    x = 556,795,415,938.17/854,334.54
  6. Step 6: Final answer
    x = 651,729.96

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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.