Home / 639,236.48-958,558.08-373,073.60

Finding the Fourth Proportional to 639,236.48, 958,558.08 and 373,073.60

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Solution

The fourth proportional to 639,236.48, 958,558.08 and 373,073.60 is: 559,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,236.48 : 958,558.08 = 373,073.60 : x
  2. Step 2: Convert to fraction form
    639,236.48/958,558.08 = 373,073.60/x
  3. Step 3: Cross multiply
    639,236.48x = 958,558.08 × 373,073.60
  4. Step 4: Simplify right side
    639,236.48x = 357,612,713,714.69
  5. Step 5: Solve for x
    x = 357,612,713,714.69/639,236.48
  6. Step 6: Final answer
    x = 559,437.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.