Home / 547,849.96-756,031.28-306,132.77

Finding the Fourth Proportional to 547,849.96, 756,031.28 and 306,132.77

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Solution

The fourth proportional to 547,849.96, 756,031.28 and 306,132.77 is: 422,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,849.96 : 756,031.28 = 306,132.77 : x
  2. Step 2: Convert to fraction form
    547,849.96/756,031.28 = 306,132.77/x
  3. Step 3: Cross multiply
    547,849.96x = 756,031.28 × 306,132.77
  4. Step 4: Simplify right side
    547,849.96x = 231,445,950,312.46
  5. Step 5: Solve for x
    x = 231,445,950,312.46/547,849.96
  6. Step 6: Final answer
    x = 422,462.29

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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.