Home / 999,379.16-1,498,851.62-316,319.12

Finding the Fourth Proportional to 999,379.16, 1,498,851.62 and 316,319.12

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Solution

The fourth proportional to 999,379.16, 1,498,851.62 and 316,319.12 is: 474,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,379.16 : 1,498,851.62 = 316,319.12 : x
  2. Step 2: Convert to fraction form
    999,379.16/1,498,851.62 = 316,319.12/x
  3. Step 3: Cross multiply
    999,379.16x = 1,498,851.62 × 316,319.12
  4. Step 4: Simplify right side
    999,379.16x = 474,115,425,448.97
  5. Step 5: Solve for x
    x = 474,115,425,448.97/999,379.16
  6. Step 6: Final answer
    x = 474,409.96

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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.