Home / 406,348.74-561,138.19-304,196.85

Finding the Fourth Proportional to 406,348.74, 561,138.19 and 304,196.85

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Solution

The fourth proportional to 406,348.74, 561,138.19 and 304,196.85 is: 420,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,348.74 : 561,138.19 = 304,196.85 : x
  2. Step 2: Convert to fraction form
    406,348.74/561,138.19 = 304,196.85/x
  3. Step 3: Cross multiply
    406,348.74x = 561,138.19 × 304,196.85
  4. Step 4: Simplify right side
    406,348.74x = 170,696,470,573.19
  5. Step 5: Solve for x
    x = 170,696,470,573.19/406,348.74
  6. Step 6: Final answer
    x = 420,073.83

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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.