Home / 988,994.40-1,481,523.30-538,909.80

Finding the Fourth Proportional to 988,994.40, 1,481,523.30 and 538,909.80

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Solution

The fourth proportional to 988,994.40, 1,481,523.30 and 538,909.80 is: 807,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,994.40 : 1,481,523.30 = 538,909.80 : x
  2. Step 2: Convert to fraction form
    988,994.40/1,481,523.30 = 538,909.80/x
  3. Step 3: Cross multiply
    988,994.40x = 1,481,523.30 × 538,909.80
  4. Step 4: Simplify right side
    988,994.40x = 798,407,425,298.34
  5. Step 5: Solve for x
    x = 798,407,425,298.34/988,994.40
  6. Step 6: Final answer
    x = 807,292.16

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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.