Home / 980,440.68-1,352,798.24-572,357.32

Finding the Fourth Proportional to 980,440.68, 1,352,798.24 and 572,357.32

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Solution

The fourth proportional to 980,440.68, 1,352,798.24 and 572,357.32 is: 789,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,440.68 : 1,352,798.24 = 572,357.32 : x
  2. Step 2: Convert to fraction form
    980,440.68/1,352,798.24 = 572,357.32/x
  3. Step 3: Cross multiply
    980,440.68x = 1,352,798.24 × 572,357.32
  4. Step 4: Simplify right side
    980,440.68x = 774,283,975,147.12
  5. Step 5: Solve for x
    x = 774,283,975,147.12/980,440.68
  6. Step 6: Final answer
    x = 789,730.57

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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.