Home / 713,217.26-1,071,158.34-627,858.38

Finding the Fourth Proportional to 713,217.26, 1,071,158.34 and 627,858.38

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Solution

The fourth proportional to 713,217.26, 1,071,158.34 and 627,858.38 is: 942,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,217.26 : 1,071,158.34 = 627,858.38 : x
  2. Step 2: Convert to fraction form
    713,217.26/1,071,158.34 = 627,858.38/x
  3. Step 3: Cross multiply
    713,217.26x = 1,071,158.34 × 627,858.38
  4. Step 4: Simplify right side
    713,217.26x = 672,535,740,075.89
  5. Step 5: Solve for x
    x = 672,535,740,075.89/713,217.26
  6. Step 6: Final answer
    x = 942,960.55

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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.