Home / 945,921.88-1,303,154.22-658,922.68

Finding the Fourth Proportional to 945,921.88, 1,303,154.22 and 658,922.68

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Solution

The fourth proportional to 945,921.88, 1,303,154.22 and 658,922.68 is: 907,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,921.88 : 1,303,154.22 = 658,922.68 : x
  2. Step 2: Convert to fraction form
    945,921.88/1,303,154.22 = 658,922.68/x
  3. Step 3: Cross multiply
    945,921.88x = 1,303,154.22 × 658,922.68
  4. Step 4: Simplify right side
    945,921.88x = 858,677,871,095.71
  5. Step 5: Solve for x
    x = 858,677,871,095.71/945,921.88
  6. Step 6: Final answer
    x = 907,768.27

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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.