Home / 879,727.92-1,214,155.06-557,468.16

Finding the Fourth Proportional to 879,727.92, 1,214,155.06 and 557,468.16

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Solution

The fourth proportional to 879,727.92, 1,214,155.06 and 557,468.16 is: 769,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,727.92 : 1,214,155.06 = 557,468.16 : x
  2. Step 2: Convert to fraction form
    879,727.92/1,214,155.06 = 557,468.16/x
  3. Step 3: Cross multiply
    879,727.92x = 1,214,155.06 × 557,468.16
  4. Step 4: Simplify right side
    879,727.92x = 676,852,787,252.89
  5. Step 5: Solve for x
    x = 676,852,787,252.89/879,727.92
  6. Step 6: Final answer
    x = 769,388.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.