Home / 769,830.60-1,154,772.30-237,347.40

Finding the Fourth Proportional to 769,830.60, 1,154,772.30 and 237,347.40

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Solution

The fourth proportional to 769,830.60, 1,154,772.30 and 237,347.40 is: 356,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,830.60 : 1,154,772.30 = 237,347.40 : x
  2. Step 2: Convert to fraction form
    769,830.60/1,154,772.30 = 237,347.40/x
  3. Step 3: Cross multiply
    769,830.60x = 1,154,772.30 × 237,347.40
  4. Step 4: Simplify right side
    769,830.60x = 274,082,202,997.02
  5. Step 5: Solve for x
    x = 274,082,202,997.02/769,830.60
  6. Step 6: Final answer
    x = 356,029.24

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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.