Home / 999,281.91-1,498,383.12-518,317.41

Finding the Fourth Proportional to 999,281.91, 1,498,383.12 and 518,317.41

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Solution

The fourth proportional to 999,281.91, 1,498,383.12 and 518,317.41 is: 777,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,281.91 : 1,498,383.12 = 518,317.41 : x
  2. Step 2: Convert to fraction form
    999,281.91/1,498,383.12 = 518,317.41/x
  3. Step 3: Cross multiply
    999,281.91x = 1,498,383.12 × 518,317.41
  4. Step 4: Simplify right side
    999,281.91x = 776,638,065,508.75
  5. Step 5: Solve for x
    x = 776,638,065,508.75/999,281.91
  6. Step 6: Final answer
    x = 777,196.16

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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.