Home / 922,161.38-1,383,334.31-282,457.71

Finding the Fourth Proportional to 922,161.38, 1,383,334.31 and 282,457.71

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Solution

The fourth proportional to 922,161.38, 1,383,334.31 and 282,457.71 is: 423,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,161.38 : 1,383,334.31 = 282,457.71 : x
  2. Step 2: Convert to fraction form
    922,161.38/1,383,334.31 = 282,457.71/x
  3. Step 3: Cross multiply
    922,161.38x = 1,383,334.31 × 282,457.71
  4. Step 4: Simplify right side
    922,161.38x = 390,733,442,073.17
  5. Step 5: Solve for x
    x = 390,733,442,073.17/922,161.38
  6. Step 6: Final answer
    x = 423,714.82

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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.