Home / 486,349.29-671,043.83-285,106.41

Finding the Fourth Proportional to 486,349.29, 671,043.83 and 285,106.41

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Solution

The fourth proportional to 486,349.29, 671,043.83 and 285,106.41 is: 393,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,349.29 : 671,043.83 = 285,106.41 : x
  2. Step 2: Convert to fraction form
    486,349.29/671,043.83 = 285,106.41/x
  3. Step 3: Cross multiply
    486,349.29x = 671,043.83 × 285,106.41
  4. Step 4: Simplify right side
    486,349.29x = 191,318,895,898.42
  5. Step 5: Solve for x
    x = 191,318,895,898.42/486,349.29
  6. Step 6: Final answer
    x = 393,377.56

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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.