Home / 418,410.29-577,408.23-227,423.57

Finding the Fourth Proportional to 418,410.29, 577,408.23 and 227,423.57

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Solution

The fourth proportional to 418,410.29, 577,408.23 and 227,423.57 is: 313,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,410.29 : 577,408.23 = 227,423.57 : x
  2. Step 2: Convert to fraction form
    418,410.29/577,408.23 = 227,423.57/x
  3. Step 3: Cross multiply
    418,410.29x = 577,408.23 × 227,423.57
  4. Step 4: Simplify right side
    418,410.29x = 131,316,238,126.94
  5. Step 5: Solve for x
    x = 131,316,238,126.94/418,410.29
  6. Step 6: Final answer
    x = 313,845.62

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1.5x scale

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.