Home / 957,337.08-1,321,102.40-521,768.18

Finding the Fourth Proportional to 957,337.08, 1,321,102.40 and 521,768.18

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Solution

The fourth proportional to 957,337.08, 1,321,102.40 and 521,768.18 is: 720,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,337.08 : 1,321,102.40 = 521,768.18 : x
  2. Step 2: Convert to fraction form
    957,337.08/1,321,102.40 = 521,768.18/x
  3. Step 3: Cross multiply
    957,337.08x = 1,321,102.40 × 521,768.18
  4. Step 4: Simplify right side
    957,337.08x = 689,309,194,841.63
  5. Step 5: Solve for x
    x = 689,309,194,841.63/957,337.08
  6. Step 6: Final answer
    x = 720,027.68

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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.