Home / 518,443.74-776,965.77-269,300.70

Finding the Fourth Proportional to 518,443.74, 776,965.77 and 269,300.70

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Solution

The fourth proportional to 518,443.74, 776,965.77 and 269,300.70 is: 403,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,443.74 : 776,965.77 = 269,300.70 : x
  2. Step 2: Convert to fraction form
    518,443.74/776,965.77 = 269,300.70/x
  3. Step 3: Cross multiply
    518,443.74x = 776,965.77 × 269,300.70
  4. Step 4: Simplify right side
    518,443.74x = 209,237,425,737.04
  5. Step 5: Solve for x
    x = 209,237,425,737.04/518,443.74
  6. Step 6: Final answer
    x = 403,587.52

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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.