Home / 683,135.60-1,024,319.40-262,425.20

Finding the Fourth Proportional to 683,135.60, 1,024,319.40 and 262,425.20

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Solution

The fourth proportional to 683,135.60, 1,024,319.40 and 262,425.20 is: 393,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,135.60 : 1,024,319.40 = 262,425.20 : x
  2. Step 2: Convert to fraction form
    683,135.60/1,024,319.40 = 262,425.20/x
  3. Step 3: Cross multiply
    683,135.60x = 1,024,319.40 × 262,425.20
  4. Step 4: Simplify right side
    683,135.60x = 268,807,223,408.88
  5. Step 5: Solve for x
    x = 268,807,223,408.88/683,135.60
  6. Step 6: Final answer
    x = 393,490.29

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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.