Home / 945,773.36-1,303,642.20-639,737.96

Finding the Fourth Proportional to 945,773.36, 1,303,642.20 and 639,737.96

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Solution

The fourth proportional to 945,773.36, 1,303,642.20 and 639,737.96 is: 881,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,773.36 : 1,303,642.20 = 639,737.96 : x
  2. Step 2: Convert to fraction form
    945,773.36/1,303,642.20 = 639,737.96/x
  3. Step 3: Cross multiply
    945,773.36x = 1,303,642.20 × 639,737.96
  4. Step 4: Simplify right side
    945,773.36x = 833,989,401,597.91
  5. Step 5: Solve for x
    x = 833,989,401,597.91/945,773.36
  6. Step 6: Final answer
    x = 881,806.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.