Home / 578,327.84-867,673.24-347,782.17

Finding the Fourth Proportional to 578,327.84, 867,673.24 and 347,782.17

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Solution

The fourth proportional to 578,327.84, 867,673.24 and 347,782.17 is: 521,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,327.84 : 867,673.24 = 347,782.17 : x
  2. Step 2: Convert to fraction form
    578,327.84/867,673.24 = 347,782.17/x
  3. Step 3: Cross multiply
    578,327.84x = 867,673.24 × 347,782.17
  4. Step 4: Simplify right side
    578,327.84x = 301,761,285,620.59
  5. Step 5: Solve for x
    x = 301,761,285,620.59/578,327.84
  6. Step 6: Final answer
    x = 521,782.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.