Home / 563,037.06-776,991.25-308,397.36

Finding the Fourth Proportional to 563,037.06, 776,991.25 and 308,397.36

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Solution

The fourth proportional to 563,037.06, 776,991.25 and 308,397.36 is: 425,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,037.06 : 776,991.25 = 308,397.36 : x
  2. Step 2: Convert to fraction form
    563,037.06/776,991.25 = 308,397.36/x
  3. Step 3: Cross multiply
    563,037.06x = 776,991.25 × 308,397.36
  4. Step 4: Simplify right side
    563,037.06x = 239,622,050,243.10
  5. Step 5: Solve for x
    x = 239,622,050,243.10/563,037.06
  6. Step 6: Final answer
    x = 425,588.42

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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.