Home / 649,089.78-895,741.64-358,693.32

Finding the Fourth Proportional to 649,089.78, 895,741.64 and 358,693.32

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Solution

The fourth proportional to 649,089.78, 895,741.64 and 358,693.32 is: 494,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,089.78 : 895,741.64 = 358,693.32 : x
  2. Step 2: Convert to fraction form
    649,089.78/895,741.64 = 358,693.32/x
  3. Step 3: Cross multiply
    649,089.78x = 895,741.64 × 358,693.32
  4. Step 4: Simplify right side
    649,089.78x = 321,296,542,713.85
  5. Step 5: Solve for x
    x = 321,296,542,713.85/649,089.78
  6. Step 6: Final answer
    x = 494,995.53

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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.