Home / 769,065.68-1,153,731.36-342,752.96

Finding the Fourth Proportional to 769,065.68, 1,153,731.36 and 342,752.96

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Solution

The fourth proportional to 769,065.68, 1,153,731.36 and 342,752.96 is: 514,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,065.68 : 1,153,731.36 = 342,752.96 : x
  2. Step 2: Convert to fraction form
    769,065.68/1,153,731.36 = 342,752.96/x
  3. Step 3: Cross multiply
    769,065.68x = 1,153,731.36 × 342,752.96
  4. Step 4: Simplify right side
    769,065.68x = 395,444,838,684.83
  5. Step 5: Solve for x
    x = 395,444,838,684.83/769,065.68
  6. Step 6: Final answer
    x = 514,188.64

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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.