Home / 564,260.51-778,679.55-322,548.36

Finding the Fourth Proportional to 564,260.51, 778,679.55 and 322,548.36

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Solution

The fourth proportional to 564,260.51, 778,679.55 and 322,548.36 is: 445,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,260.51 : 778,679.55 = 322,548.36 : x
  2. Step 2: Convert to fraction form
    564,260.51/778,679.55 = 322,548.36/x
  3. Step 3: Cross multiply
    564,260.51x = 778,679.55 × 322,548.36
  4. Step 4: Simplify right side
    564,260.51x = 251,161,811,818.04
  5. Step 5: Solve for x
    x = 251,161,811,818.04/564,260.51
  6. Step 6: Final answer
    x = 445,116.76

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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.