Home / 551,501.61-827,066.38-209,863.93

Finding the Fourth Proportional to 551,501.61, 827,066.38 and 209,863.93

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Solution

The fourth proportional to 551,501.61, 827,066.38 and 209,863.93 is: 314,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,501.61 : 827,066.38 = 209,863.93 : x
  2. Step 2: Convert to fraction form
    551,501.61/827,066.38 = 209,863.93/x
  3. Step 3: Cross multiply
    551,501.61x = 827,066.38 × 209,863.93
  4. Step 4: Simplify right side
    551,501.61x = 173,571,396,742.34
  5. Step 5: Solve for x
    x = 173,571,396,742.34/551,501.61
  6. Step 6: Final answer
    x = 314,725.10

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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.