Home / 564,742.06-842,131.30-486,359.98

Finding the Fourth Proportional to 564,742.06, 842,131.30 and 486,359.98

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Solution

The fourth proportional to 564,742.06, 842,131.30 and 486,359.98 is: 725,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,742.06 : 842,131.30 = 486,359.98 : x
  2. Step 2: Convert to fraction form
    564,742.06/842,131.30 = 486,359.98/x
  3. Step 3: Cross multiply
    564,742.06x = 842,131.30 × 486,359.98
  4. Step 4: Simplify right side
    564,742.06x = 409,578,962,225.37
  5. Step 5: Solve for x
    x = 409,578,962,225.37/564,742.06
  6. Step 6: Final answer
    x = 725,249.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.