Home / 770,204.52-1,155,580.38-343,701.54

Finding the Fourth Proportional to 770,204.52, 1,155,580.38 and 343,701.54

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Solution

The fourth proportional to 770,204.52, 1,155,580.38 and 343,701.54 is: 515,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,204.52 : 1,155,580.38 = 343,701.54 : x
  2. Step 2: Convert to fraction form
    770,204.52/1,155,580.38 = 343,701.54/x
  3. Step 3: Cross multiply
    770,204.52x = 1,155,580.38 × 343,701.54
  4. Step 4: Simplify right side
    770,204.52x = 397,174,756,199.79
  5. Step 5: Solve for x
    x = 397,174,756,199.79/770,204.52
  6. Step 6: Final answer
    x = 515,674.40

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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.