Home / 851,186.40-1,276,930.80-282,601.44

Finding the Fourth Proportional to 851,186.40, 1,276,930.80 and 282,601.44

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Solution

The fourth proportional to 851,186.40, 1,276,930.80 and 282,601.44 is: 423,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,186.40 : 1,276,930.80 = 282,601.44 : x
  2. Step 2: Convert to fraction form
    851,186.40/1,276,930.80 = 282,601.44/x
  3. Step 3: Cross multiply
    851,186.40x = 1,276,930.80 × 282,601.44
  4. Step 4: Simplify right side
    851,186.40x = 360,862,482,860.35
  5. Step 5: Solve for x
    x = 360,862,482,860.35/851,186.40
  6. Step 6: Final answer
    x = 423,952.36

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1.5x scale

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.