Home / 672,320.43-1,008,478.56-210,733.56

Finding the Fourth Proportional to 672,320.43, 1,008,478.56 and 210,733.56

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Solution

The fourth proportional to 672,320.43, 1,008,478.56 and 210,733.56 is: 316,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,320.43 : 1,008,478.56 = 210,733.56 : x
  2. Step 2: Convert to fraction form
    672,320.43/1,008,478.56 = 210,733.56/x
  3. Step 3: Cross multiply
    672,320.43x = 1,008,478.56 × 210,733.56
  4. Step 4: Simplify right side
    672,320.43x = 212,520,277,132.47
  5. Step 5: Solve for x
    x = 212,520,277,132.47/672,320.43
  6. Step 6: Final answer
    x = 316,099.69

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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.