Home / 558,864.35-771,251.41-313,892.21

Finding the Fourth Proportional to 558,864.35, 771,251.41 and 313,892.21

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Solution

The fourth proportional to 558,864.35, 771,251.41 and 313,892.21 is: 433,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,864.35 : 771,251.41 = 313,892.21 : x
  2. Step 2: Convert to fraction form
    558,864.35/771,251.41 = 313,892.21/x
  3. Step 3: Cross multiply
    558,864.35x = 771,251.41 × 313,892.21
  4. Step 4: Simplify right side
    558,864.35x = 242,089,808,765.79
  5. Step 5: Solve for x
    x = 242,089,808,765.79/558,864.35
  6. Step 6: Final answer
    x = 433,181.70

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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.