Home / 999,529.30-1,499,292.78-325,609.53

Finding the Fourth Proportional to 999,529.30, 1,499,292.78 and 325,609.53

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Solution

The fourth proportional to 999,529.30, 1,499,292.78 and 325,609.53 is: 488,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,529.30 : 1,499,292.78 = 325,609.53 : x
  2. Step 2: Convert to fraction form
    999,529.30/1,499,292.78 = 325,609.53/x
  3. Step 3: Cross multiply
    999,529.30x = 1,499,292.78 × 325,609.53
  4. Step 4: Simplify right side
    999,529.30x = 488,184,017,428.19
  5. Step 5: Solve for x
    x = 488,184,017,428.19/999,529.30
  6. Step 6: Final answer
    x = 488,413.91

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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.