Home / 557,865.04-836,778.12-178,780.20

Finding the Fourth Proportional to 557,865.04, 836,778.12 and 178,780.20

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Solution

The fourth proportional to 557,865.04, 836,778.12 and 178,780.20 is: 268,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,865.04 : 836,778.12 = 178,780.20 : x
  2. Step 2: Convert to fraction form
    557,865.04/836,778.12 = 178,780.20/x
  3. Step 3: Cross multiply
    557,865.04x = 836,778.12 × 178,780.20
  4. Step 4: Simplify right side
    557,865.04x = 149,599,359,649.22
  5. Step 5: Solve for x
    x = 149,599,359,649.22/557,865.04
  6. Step 6: Final answer
    x = 268,164.07

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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.