Home / 957,376.62-1,321,181.58-521,798.82

Finding the Fourth Proportional to 957,376.62, 1,321,181.58 and 521,798.82

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Solution

The fourth proportional to 957,376.62, 1,321,181.58 and 521,798.82 is: 720,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,376.62 : 1,321,181.58 = 521,798.82 : x
  2. Step 2: Convert to fraction form
    957,376.62/1,321,181.58 = 521,798.82/x
  3. Step 3: Cross multiply
    957,376.62x = 1,321,181.58 × 521,798.82
  4. Step 4: Simplify right side
    957,376.62x = 689,390,989,449.74
  5. Step 5: Solve for x
    x = 689,390,989,449.74/957,376.62
  6. Step 6: Final answer
    x = 720,083.38

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1.5x scale

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.