Home / 765,787.59-1,148,681.66-344,571.39

Finding the Fourth Proportional to 765,787.59, 1,148,681.66 and 344,571.39

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Solution

The fourth proportional to 765,787.59, 1,148,681.66 and 344,571.39 is: 516,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,787.59 : 1,148,681.66 = 344,571.39 : x
  2. Step 2: Convert to fraction form
    765,787.59/1,148,681.66 = 344,571.39/x
  3. Step 3: Cross multiply
    765,787.59x = 1,148,681.66 × 344,571.39
  4. Step 4: Simplify right side
    765,787.59x = 395,802,834,530.85
  5. Step 5: Solve for x
    x = 395,802,834,530.85/765,787.59
  6. Step 6: Final answer
    x = 516,857.21

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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.