Home / 669,256.80-1,003,885.20-610,159.20

Finding the Fourth Proportional to 669,256.80, 1,003,885.20 and 610,159.20

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Solution

The fourth proportional to 669,256.80, 1,003,885.20 and 610,159.20 is: 915,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,256.80 : 1,003,885.20 = 610,159.20 : x
  2. Step 2: Convert to fraction form
    669,256.80/1,003,885.20 = 610,159.20/x
  3. Step 3: Cross multiply
    669,256.80x = 1,003,885.20 × 610,159.20
  4. Step 4: Simplify right side
    669,256.80x = 612,529,790,523.84
  5. Step 5: Solve for x
    x = 612,529,790,523.84/669,256.80
  6. Step 6: Final answer
    x = 915,238.80

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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.