Home / 725,644.40-1,088,077.80-304,444.40

Finding the Fourth Proportional to 725,644.40, 1,088,077.80 and 304,444.40

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Solution

The fourth proportional to 725,644.40, 1,088,077.80 and 304,444.40 is: 456,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,644.40 : 1,088,077.80 = 304,444.40 : x
  2. Step 2: Convert to fraction form
    725,644.40/1,088,077.80 = 304,444.40/x
  3. Step 3: Cross multiply
    725,644.40x = 1,088,077.80 × 304,444.40
  4. Step 4: Simplify right side
    725,644.40x = 331,259,192,974.32
  5. Step 5: Solve for x
    x = 331,259,192,974.32/725,644.40
  6. Step 6: Final answer
    x = 456,503.48

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Double scale
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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.