Home / 770,551.38-1,155,835.02-344,108.94

Finding the Fourth Proportional to 770,551.38, 1,155,835.02 and 344,108.94

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Solution

The fourth proportional to 770,551.38, 1,155,835.02 and 344,108.94 is: 516,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,551.38 : 1,155,835.02 = 344,108.94 : x
  2. Step 2: Convert to fraction form
    770,551.38/1,155,835.02 = 344,108.94/x
  3. Step 3: Cross multiply
    770,551.38x = 1,155,835.02 × 344,108.94
  4. Step 4: Simplify right side
    770,551.38x = 397,733,157,922.29
  5. Step 5: Solve for x
    x = 397,733,157,922.29/770,551.38
  6. Step 6: Final answer
    x = 516,166.95

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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.