Home / 683,744.40-1,026,272.70-347,165.10

Finding the Fourth Proportional to 683,744.40, 1,026,272.70 and 347,165.10

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Solution

The fourth proportional to 683,744.40, 1,026,272.70 and 347,165.10 is: 521,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,744.40 : 1,026,272.70 = 347,165.10 : x
  2. Step 2: Convert to fraction form
    683,744.40/1,026,272.70 = 347,165.10/x
  3. Step 3: Cross multiply
    683,744.40x = 1,026,272.70 × 347,165.10
  4. Step 4: Simplify right side
    683,744.40x = 356,286,064,522.77
  5. Step 5: Solve for x
    x = 356,286,064,522.77/683,744.40
  6. Step 6: Final answer
    x = 521,080.78

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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.