Home / 999,523.16-1,499,283.55-325,603.36

Finding the Fourth Proportional to 999,523.16, 1,499,283.55 and 325,603.36

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Solution

The fourth proportional to 999,523.16, 1,499,283.55 and 325,603.36 is: 488,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,523.16 : 1,499,283.55 = 325,603.36 : x
  2. Step 2: Convert to fraction form
    999,523.16/1,499,283.55 = 325,603.36/x
  3. Step 3: Cross multiply
    999,523.16x = 1,499,283.55 × 325,603.36
  4. Step 4: Simplify right side
    999,523.16x = 488,171,756,910.51
  5. Step 5: Solve for x
    x = 488,171,756,910.51/999,523.16
  6. Step 6: Final answer
    x = 488,404.65

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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.