Home / 763,178.91-1,144,778.73-283,221.25

Finding the Fourth Proportional to 763,178.91, 1,144,778.73 and 283,221.25

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Solution

The fourth proportional to 763,178.91, 1,144,778.73 and 283,221.25 is: 424,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,178.91 : 1,144,778.73 = 283,221.25 : x
  2. Step 2: Convert to fraction form
    763,178.91/1,144,778.73 = 283,221.25/x
  3. Step 3: Cross multiply
    763,178.91x = 1,144,778.73 × 283,221.25
  4. Step 4: Simplify right side
    763,178.91x = 324,225,662,884.01
  5. Step 5: Solve for x
    x = 324,225,662,884.01/763,178.91
  6. Step 6: Final answer
    x = 424,835.72

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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.