Home / 679,061.76-1,018,242.24-304,764.48

Finding the Fourth Proportional to 679,061.76, 1,018,242.24 and 304,764.48

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Solution

The fourth proportional to 679,061.76, 1,018,242.24 and 304,764.48 is: 456,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,061.76 : 1,018,242.24 = 304,764.48 : x
  2. Step 2: Convert to fraction form
    679,061.76/1,018,242.24 = 304,764.48/x
  3. Step 3: Cross multiply
    679,061.76x = 1,018,242.24 × 304,764.48
  4. Step 4: Simplify right side
    679,061.76x = 310,324,066,787.64
  5. Step 5: Solve for x
    x = 310,324,066,787.64/679,061.76
  6. Step 6: Final answer
    x = 456,989.46

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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.