Home / 776,849.91-1,072,036.38-432,684.78

Finding the Fourth Proportional to 776,849.91, 1,072,036.38 and 432,684.78

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Solution

The fourth proportional to 776,849.91, 1,072,036.38 and 432,684.78 is: 597,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,849.91 : 1,072,036.38 = 432,684.78 : x
  2. Step 2: Convert to fraction form
    776,849.91/1,072,036.38 = 432,684.78/x
  3. Step 3: Cross multiply
    776,849.91x = 1,072,036.38 × 432,684.78
  4. Step 4: Simplify right side
    776,849.91x = 463,853,825,232.30
  5. Step 5: Solve for x
    x = 463,853,825,232.30/776,849.91
  6. Step 6: Final answer
    x = 597,095.81

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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.