Home / 891,456.80-1,228,845.34-546,653.31

Finding the Fourth Proportional to 891,456.80, 1,228,845.34 and 546,653.31

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Solution

The fourth proportional to 891,456.80, 1,228,845.34 and 546,653.31 is: 753,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,456.80 : 1,228,845.34 = 546,653.31 : x
  2. Step 2: Convert to fraction form
    891,456.80/1,228,845.34 = 546,653.31/x
  3. Step 3: Cross multiply
    891,456.80x = 1,228,845.34 × 546,653.31
  4. Step 4: Simplify right side
    891,456.80x = 671,752,372,589.08
  5. Step 5: Solve for x
    x = 671,752,372,589.08/891,456.80
  6. Step 6: Final answer
    x = 753,544.51

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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.