Home / 672,093.70-1,008,140.55-423,261.70

Finding the Fourth Proportional to 672,093.70, 1,008,140.55 and 423,261.70

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Solution

The fourth proportional to 672,093.70, 1,008,140.55 and 423,261.70 is: 634,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,093.70 : 1,008,140.55 = 423,261.70 : x
  2. Step 2: Convert to fraction form
    672,093.70/1,008,140.55 = 423,261.70/x
  3. Step 3: Cross multiply
    672,093.70x = 1,008,140.55 × 423,261.70
  4. Step 4: Simplify right side
    672,093.70x = 426,707,283,031.94
  5. Step 5: Solve for x
    x = 426,707,283,031.94/672,093.70
  6. Step 6: Final answer
    x = 634,892.55

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Similar ratio
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1.5x scale

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.