Home / 716,810.31-1,073,441.57-416,379.69

Finding the Fourth Proportional to 716,810.31, 1,073,441.57 and 416,379.69

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Solution

The fourth proportional to 716,810.31, 1,073,441.57 and 416,379.69 is: 623,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,810.31 : 1,073,441.57 = 416,379.69 : x
  2. Step 2: Convert to fraction form
    716,810.31/1,073,441.57 = 416,379.69/x
  3. Step 3: Cross multiply
    716,810.31x = 1,073,441.57 × 416,379.69
  4. Step 4: Simplify right side
    716,810.31x = 446,959,266,067.82
  5. Step 5: Solve for x
    x = 446,959,266,067.82/716,810.31
  6. Step 6: Final answer
    x = 623,539.11

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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.