Home / 440,830.44-607,266.18-319,615.56

Finding the Fourth Proportional to 440,830.44, 607,266.18 and 319,615.56

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Solution

The fourth proportional to 440,830.44, 607,266.18 and 319,615.56 is: 440,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,830.44 : 607,266.18 = 319,615.56 : x
  2. Step 2: Convert to fraction form
    440,830.44/607,266.18 = 319,615.56/x
  3. Step 3: Cross multiply
    440,830.44x = 607,266.18 × 319,615.56
  4. Step 4: Simplify right side
    440,830.44x = 194,091,720,189.76
  5. Step 5: Solve for x
    x = 194,091,720,189.76/440,830.44
  6. Step 6: Final answer
    x = 440,286.57

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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.