Home / 749,584.80-1,123,988.40-276,026.40

Finding the Fourth Proportional to 749,584.80, 1,123,988.40 and 276,026.40

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Solution

The fourth proportional to 749,584.80, 1,123,988.40 and 276,026.40 is: 413,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,584.80 : 1,123,988.40 = 276,026.40 : x
  2. Step 2: Convert to fraction form
    749,584.80/1,123,988.40 = 276,026.40/x
  3. Step 3: Cross multiply
    749,584.80x = 1,123,988.40 × 276,026.40
  4. Step 4: Simplify right side
    749,584.80x = 310,250,471,693.76
  5. Step 5: Solve for x
    x = 310,250,471,693.76/749,584.80
  6. Step 6: Final answer
    x = 413,896.43

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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.