Home / 1,478,409.72-2,217,595.14-356,469

Finding the Fourth Proportional to 1,478,409.72, 2,217,595.14 and 356,469

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Solution

The fourth proportional to 1,478,409.72, 2,217,595.14 and 356,469 is: 534,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,409.72 : 2,217,595.14 = 356,469 : x
  2. Step 2: Convert to fraction form
    1,478,409.72/2,217,595.14 = 356,469/x
  3. Step 3: Cross multiply
    1,478,409.72x = 2,217,595.14 × 356,469
  4. Step 4: Simplify right side
    1,478,409.72x = 790,503,921,960.66
  5. Step 5: Solve for x
    x = 790,503,921,960.66/1,478,409.72
  6. Step 6: Final answer
    x = 534,698.81

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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.