Home / 782,229.69-1,079,492.30-510,471.45

Finding the Fourth Proportional to 782,229.69, 1,079,492.30 and 510,471.45

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Solution

The fourth proportional to 782,229.69, 1,079,492.30 and 510,471.45 is: 704,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,229.69 : 1,079,492.30 = 510,471.45 : x
  2. Step 2: Convert to fraction form
    782,229.69/1,079,492.30 = 510,471.45/x
  3. Step 3: Cross multiply
    782,229.69x = 1,079,492.30 × 510,471.45
  4. Step 4: Simplify right side
    782,229.69x = 551,049,997,092.48
  5. Step 5: Solve for x
    x = 551,049,997,092.48/782,229.69
  6. Step 6: Final answer
    x = 704,460.60

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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.