Home / 698,830.27-1,047,204.52-361,420.38

Finding the Fourth Proportional to 698,830.27, 1,047,204.52 and 361,420.38

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Solution

The fourth proportional to 698,830.27, 1,047,204.52 and 361,420.38 is: 541,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,830.27 : 1,047,204.52 = 361,420.38 : x
  2. Step 2: Convert to fraction form
    698,830.27/1,047,204.52 = 361,420.38/x
  3. Step 3: Cross multiply
    698,830.27x = 1,047,204.52 × 361,420.38
  4. Step 4: Simplify right side
    698,830.27x = 378,481,054,652.57
  5. Step 5: Solve for x
    x = 378,481,054,652.57/698,830.27
  6. Step 6: Final answer
    x = 541,592.25

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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.