Home / 564,917.40-779,583.50-306,792.33

Finding the Fourth Proportional to 564,917.40, 779,583.50 and 306,792.33

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Solution

The fourth proportional to 564,917.40, 779,583.50 and 306,792.33 is: 423,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,917.40 : 779,583.50 = 306,792.33 : x
  2. Step 2: Convert to fraction form
    564,917.40/779,583.50 = 306,792.33/x
  3. Step 3: Cross multiply
    564,917.40x = 779,583.50 × 306,792.33
  4. Step 4: Simplify right side
    564,917.40x = 239,170,236,860.59
  5. Step 5: Solve for x
    x = 239,170,236,860.59/564,917.40
  6. Step 6: Final answer
    x = 423,372.05

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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.