Home / 999,685.05-1,499,373.51-325,764.64

Finding the Fourth Proportional to 999,685.05, 1,499,373.51 and 325,764.64

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Solution

The fourth proportional to 999,685.05, 1,499,373.51 and 325,764.64 is: 488,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,685.05 : 1,499,373.51 = 325,764.64 : x
  2. Step 2: Convert to fraction form
    999,685.05/1,499,373.51 = 325,764.64/x
  3. Step 3: Cross multiply
    999,685.05x = 1,499,373.51 × 325,764.64
  4. Step 4: Simplify right side
    999,685.05x = 488,442,871,710.69
  5. Step 5: Solve for x
    x = 488,442,871,710.69/999,685.05
  6. Step 6: Final answer
    x = 488,596.76

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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.