Home / 969,975.16-1,338,607.26-540,255.40

Finding the Fourth Proportional to 969,975.16, 1,338,607.26 and 540,255.40

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Solution

The fourth proportional to 969,975.16, 1,338,607.26 and 540,255.40 is: 745,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,975.16 : 1,338,607.26 = 540,255.40 : x
  2. Step 2: Convert to fraction form
    969,975.16/1,338,607.26 = 540,255.40/x
  3. Step 3: Cross multiply
    969,975.16x = 1,338,607.26 × 540,255.40
  4. Step 4: Simplify right side
    969,975.16x = 723,189,800,694.20
  5. Step 5: Solve for x
    x = 723,189,800,694.20/969,975.16
  6. Step 6: Final answer
    x = 745,575.59

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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.