Home / 878,918.82-1,317,323.46-452,655.24

Finding the Fourth Proportional to 878,918.82, 1,317,323.46 and 452,655.24

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Solution

The fourth proportional to 878,918.82, 1,317,323.46 and 452,655.24 is: 678,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,918.82 : 1,317,323.46 = 452,655.24 : x
  2. Step 2: Convert to fraction form
    878,918.82/1,317,323.46 = 452,655.24/x
  3. Step 3: Cross multiply
    878,918.82x = 1,317,323.46 × 452,655.24
  4. Step 4: Simplify right side
    878,918.82x = 596,293,366,943.93
  5. Step 5: Solve for x
    x = 596,293,366,943.93/878,918.82
  6. Step 6: Final answer
    x = 678,439.64

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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.