Home / 836,354.73-1,254,342.96-386,828.94

Finding the Fourth Proportional to 836,354.73, 1,254,342.96 and 386,828.94

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Solution

The fourth proportional to 836,354.73, 1,254,342.96 and 386,828.94 is: 580,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,354.73 : 1,254,342.96 = 386,828.94 : x
  2. Step 2: Convert to fraction form
    836,354.73/1,254,342.96 = 386,828.94/x
  3. Step 3: Cross multiply
    836,354.73x = 1,254,342.96 × 386,828.94
  4. Step 4: Simplify right side
    836,354.73x = 485,216,157,613.26
  5. Step 5: Solve for x
    x = 485,216,157,613.26/836,354.73
  6. Step 6: Final answer
    x = 580,155.93

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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.