Home / 679,304.86-1,018,053.08-359,388.45

Finding the Fourth Proportional to 679,304.86, 1,018,053.08 and 359,388.45

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Solution

The fourth proportional to 679,304.86, 1,018,053.08 and 359,388.45 is: 538,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,304.86 : 1,018,053.08 = 359,388.45 : x
  2. Step 2: Convert to fraction form
    679,304.86/1,018,053.08 = 359,388.45/x
  3. Step 3: Cross multiply
    679,304.86x = 1,018,053.08 × 359,388.45
  4. Step 4: Simplify right side
    679,304.86x = 365,876,519,337.40
  5. Step 5: Solve for x
    x = 365,876,519,337.40/679,304.86
  6. Step 6: Final answer
    x = 538,604.30

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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.