Home / 725,278.56-1,000,562.40-483,325.44

Finding the Fourth Proportional to 725,278.56, 1,000,562.40 and 483,325.44

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Solution

The fourth proportional to 725,278.56, 1,000,562.40 and 483,325.44 is: 666,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,278.56 : 1,000,562.40 = 483,325.44 : x
  2. Step 2: Convert to fraction form
    725,278.56/1,000,562.40 = 483,325.44/x
  3. Step 3: Cross multiply
    725,278.56x = 1,000,562.40 × 483,325.44
  4. Step 4: Simplify right side
    725,278.56x = 483,597,262,227.46
  5. Step 5: Solve for x
    x = 483,597,262,227.46/725,278.56
  6. Step 6: Final answer
    x = 666,774.52

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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.