Home / 787,176.32-1,181,110.08-413,111.84

Finding the Fourth Proportional to 787,176.32, 1,181,110.08 and 413,111.84

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Solution

The fourth proportional to 787,176.32, 1,181,110.08 and 413,111.84 is: 619,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,176.32 : 1,181,110.08 = 413,111.84 : x
  2. Step 2: Convert to fraction form
    787,176.32/1,181,110.08 = 413,111.84/x
  3. Step 3: Cross multiply
    787,176.32x = 1,181,110.08 × 413,111.84
  4. Step 4: Simplify right side
    787,176.32x = 487,930,558,391.35
  5. Step 5: Solve for x
    x = 487,930,558,391.35/787,176.32
  6. Step 6: Final answer
    x = 619,849.13

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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.