Home / 564,749.18-779,424.09-322,998.20

Finding the Fourth Proportional to 564,749.18, 779,424.09 and 322,998.20

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Solution

The fourth proportional to 564,749.18, 779,424.09 and 322,998.20 is: 445,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,749.18 : 779,424.09 = 322,998.20 : x
  2. Step 2: Convert to fraction form
    564,749.18/779,424.09 = 322,998.20/x
  3. Step 3: Cross multiply
    564,749.18x = 779,424.09 × 322,998.20
  4. Step 4: Simplify right side
    564,749.18x = 251,752,578,106.64
  5. Step 5: Solve for x
    x = 251,752,578,106.64/564,749.18
  6. Step 6: Final answer
    x = 445,777.68

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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.