Home / 997,137.34-1,495,708.44-398,147.20

Finding the Fourth Proportional to 997,137.34, 1,495,708.44 and 398,147.20

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Solution

The fourth proportional to 997,137.34, 1,495,708.44 and 398,147.20 is: 597,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,137.34 : 1,495,708.44 = 398,147.20 : x
  2. Step 2: Convert to fraction form
    997,137.34/1,495,708.44 = 398,147.20/x
  3. Step 3: Cross multiply
    997,137.34x = 1,495,708.44 × 398,147.20
  4. Step 4: Simplify right side
    997,137.34x = 595,512,127,402.37
  5. Step 5: Solve for x
    x = 595,512,127,402.37/997,137.34
  6. Step 6: Final answer
    x = 597,221.77

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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.