Home / 859,752.69-1,288,406.93-633,332.58

Finding the Fourth Proportional to 859,752.69, 1,288,406.93 and 633,332.58

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Solution

The fourth proportional to 859,752.69, 1,288,406.93 and 633,332.58 is: 949,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,752.69 : 1,288,406.93 = 633,332.58 : x
  2. Step 2: Convert to fraction form
    859,752.69/1,288,406.93 = 633,332.58/x
  3. Step 3: Cross multiply
    859,752.69x = 1,288,406.93 × 633,332.58
  4. Step 4: Simplify right side
    859,752.69x = 815,990,081,900.12
  5. Step 5: Solve for x
    x = 815,990,081,900.12/859,752.69
  6. Step 6: Final answer
    x = 949,098.61

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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.