Home / 816,648.82-1,225,221.90-417,569.92

Finding the Fourth Proportional to 816,648.82, 1,225,221.90 and 417,569.92

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Solution

The fourth proportional to 816,648.82, 1,225,221.90 and 417,569.92 is: 626,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,648.82 : 1,225,221.90 = 417,569.92 : x
  2. Step 2: Convert to fraction form
    816,648.82/1,225,221.90 = 417,569.92/x
  3. Step 3: Cross multiply
    816,648.82x = 1,225,221.90 × 417,569.92
  4. Step 4: Simplify right side
    816,648.82x = 511,615,810,765.25
  5. Step 5: Solve for x
    x = 511,615,810,765.25/816,648.82
  6. Step 6: Final answer
    x = 626,482.03

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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.