Home / 999,387.76-1,499,186.64-325,521.58

Finding the Fourth Proportional to 999,387.76, 1,499,186.64 and 325,521.58

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Solution

The fourth proportional to 999,387.76, 1,499,186.64 and 325,521.58 is: 488,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,387.76 : 1,499,186.64 = 325,521.58 : x
  2. Step 2: Convert to fraction form
    999,387.76/1,499,186.64 = 325,521.58/x
  3. Step 3: Cross multiply
    999,387.76x = 1,499,186.64 × 325,521.58
  4. Step 4: Simplify right side
    999,387.76x = 488,017,603,767.69
  5. Step 5: Solve for x
    x = 488,017,603,767.69/999,387.76
  6. Step 6: Final answer
    x = 488,316.57

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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.