Home / 716,979.59-1,075,464.58-290,509.12

Finding the Fourth Proportional to 716,979.59, 1,075,464.58 and 290,509.12

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Solution

The fourth proportional to 716,979.59, 1,075,464.58 and 290,509.12 is: 435,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,979.59 : 1,075,464.58 = 290,509.12 : x
  2. Step 2: Convert to fraction form
    716,979.59/1,075,464.58 = 290,509.12/x
  3. Step 3: Cross multiply
    716,979.59x = 1,075,464.58 × 290,509.12
  4. Step 4: Simplify right side
    716,979.59x = 312,432,268,726.97
  5. Step 5: Solve for x
    x = 312,432,268,726.97/716,979.59
  6. Step 6: Final answer
    x = 435,761.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.