Home / 770,228.75-1,155,006.03-365,536.93

Finding the Fourth Proportional to 770,228.75, 1,155,006.03 and 365,536.93

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Solution

The fourth proportional to 770,228.75, 1,155,006.03 and 365,536.93 is: 548,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,228.75 : 1,155,006.03 = 365,536.93 : x
  2. Step 2: Convert to fraction form
    770,228.75/1,155,006.03 = 365,536.93/x
  3. Step 3: Cross multiply
    770,228.75x = 1,155,006.03 × 365,536.93
  4. Step 4: Simplify right side
    770,228.75x = 422,197,358,337.69
  5. Step 5: Solve for x
    x = 422,197,358,337.69/770,228.75
  6. Step 6: Final answer
    x = 548,145.42

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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.