Home / 776,329.31-1,071,322.89-432,164.61

Finding the Fourth Proportional to 776,329.31, 1,071,322.89 and 432,164.61

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Solution

The fourth proportional to 776,329.31, 1,071,322.89 and 432,164.61 is: 596,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,329.31 : 1,071,322.89 = 432,164.61 : x
  2. Step 2: Convert to fraction form
    776,329.31/1,071,322.89 = 432,164.61/x
  3. Step 3: Cross multiply
    776,329.31x = 1,071,322.89 × 432,164.61
  4. Step 4: Simplify right side
    776,329.31x = 462,987,838,940.92
  5. Step 5: Solve for x
    x = 462,987,838,940.92/776,329.31
  6. Step 6: Final answer
    x = 596,380.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.