Home / 672,620.42-1,007,809.63-472,582.69

Finding the Fourth Proportional to 672,620.42, 1,007,809.63 and 472,582.69

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Solution

The fourth proportional to 672,620.42, 1,007,809.63 and 472,582.69 is: 708,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,620.42 : 1,007,809.63 = 472,582.69 : x
  2. Step 2: Convert to fraction form
    672,620.42/1,007,809.63 = 472,582.69/x
  3. Step 3: Cross multiply
    672,620.42x = 1,007,809.63 × 472,582.69
  4. Step 4: Simplify right side
    672,620.42x = 476,273,382,252.32
  5. Step 5: Solve for x
    x = 476,273,382,252.32/672,620.42
  6. Step 6: Final answer
    x = 708,086.41

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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.