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Finding the Fourth Proportional to 892,359, 1,341,008.82 and 870,727.58

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Solution

The fourth proportional to 892,359, 1,341,008.82 and 870,727.58 is: 1,308,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,359 : 1,341,008.82 = 870,727.58 : x
  2. Step 2: Convert to fraction form
    892,359/1,341,008.82 = 870,727.58/x
  3. Step 3: Cross multiply
    892,359x = 1,341,008.82 × 870,727.58
  4. Step 4: Simplify right side
    892,359x = 1,167,653,364,597.26
  5. Step 5: Solve for x
    x = 1,167,653,364,597.26/892,359
  6. Step 6: Final answer
    x = 1,308,501.81

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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.