Home / 770,529.20-1,155,801.59-344,086.71

Finding the Fourth Proportional to 770,529.20, 1,155,801.59 and 344,086.71

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Solution

The fourth proportional to 770,529.20, 1,155,801.59 and 344,086.71 is: 516,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,529.20 : 1,155,801.59 = 344,086.71 : x
  2. Step 2: Convert to fraction form
    770,529.20/1,155,801.59 = 344,086.71/x
  3. Step 3: Cross multiply
    770,529.20x = 1,155,801.59 × 344,086.71
  4. Step 4: Simplify right side
    770,529.20x = 397,695,964,795.44
  5. Step 5: Solve for x
    x = 397,695,964,795.44/770,529.20
  6. Step 6: Final answer
    x = 516,133.54

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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.