Home / 945,125.20-1,417,817.40-313,973.20

Finding the Fourth Proportional to 945,125.20, 1,417,817.40 and 313,973.20

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Solution

The fourth proportional to 945,125.20, 1,417,817.40 and 313,973.20 is: 471,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,125.20 : 1,417,817.40 = 313,973.20 : x
  2. Step 2: Convert to fraction form
    945,125.20/1,417,817.40 = 313,973.20/x
  3. Step 3: Cross multiply
    945,125.20x = 1,417,817.40 × 313,973.20
  4. Step 4: Simplify right side
    945,125.20x = 445,156,666,093.68
  5. Step 5: Solve for x
    x = 445,156,666,093.68/945,125.20
  6. Step 6: Final answer
    x = 471,002.85

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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.