Home / 888,815.75-1,226,564.93-501,712.65

Finding the Fourth Proportional to 888,815.75, 1,226,564.93 and 501,712.65

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Solution

The fourth proportional to 888,815.75, 1,226,564.93 and 501,712.65 is: 692,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,815.75 : 1,226,564.93 = 501,712.65 : x
  2. Step 2: Convert to fraction form
    888,815.75/1,226,564.93 = 501,712.65/x
  3. Step 3: Cross multiply
    888,815.75x = 1,226,564.93 × 501,712.65
  4. Step 4: Simplify right side
    888,815.75x = 615,383,142,681.65
  5. Step 5: Solve for x
    x = 615,383,142,681.65/888,815.75
  6. Step 6: Final answer
    x = 692,363.01

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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.