Home / 667,792.32-1,001,243.64-347,156.28

Finding the Fourth Proportional to 667,792.32, 1,001,243.64 and 347,156.28

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Solution

The fourth proportional to 667,792.32, 1,001,243.64 and 347,156.28 is: 520,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,792.32 : 1,001,243.64 = 347,156.28 : x
  2. Step 2: Convert to fraction form
    667,792.32/1,001,243.64 = 347,156.28/x
  3. Step 3: Cross multiply
    667,792.32x = 1,001,243.64 × 347,156.28
  4. Step 4: Simplify right side
    667,792.32x = 347,588,017,436.06
  5. Step 5: Solve for x
    x = 347,588,017,436.06/667,792.32
  6. Step 6: Final answer
    x = 520,503.17

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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.