Home / 654,283.20-981,581.66-316,929.58

Finding the Fourth Proportional to 654,283.20, 981,581.66 and 316,929.58

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Solution

The fourth proportional to 654,283.20, 981,581.66 and 316,929.58 is: 475,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,283.20 : 981,581.66 = 316,929.58 : x
  2. Step 2: Convert to fraction form
    654,283.20/981,581.66 = 316,929.58/x
  3. Step 3: Cross multiply
    654,283.20x = 981,581.66 × 316,929.58
  4. Step 4: Simplify right side
    654,283.20x = 311,092,260,389.39
  5. Step 5: Solve for x
    x = 311,092,260,389.39/654,283.20
  6. Step 6: Final answer
    x = 475,470.34

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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.