Home / 904,211.40-1,356,543.90-398,868.60

Finding the Fourth Proportional to 904,211.40, 1,356,543.90 and 398,868.60

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Solution

The fourth proportional to 904,211.40, 1,356,543.90 and 398,868.60 is: 598,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,211.40 : 1,356,543.90 = 398,868.60 : x
  2. Step 2: Convert to fraction form
    904,211.40/1,356,543.90 = 398,868.60/x
  3. Step 3: Cross multiply
    904,211.40x = 1,356,543.90 × 398,868.60
  4. Step 4: Simplify right side
    904,211.40x = 541,082,766,231.54
  5. Step 5: Solve for x
    x = 541,082,766,231.54/904,211.40
  6. Step 6: Final answer
    x = 598,402.95

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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.