Home / 764,075.17-1,054,747-515,771.29

Finding the Fourth Proportional to 764,075.17, 1,054,747 and 515,771.29

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Solution

The fourth proportional to 764,075.17, 1,054,747 and 515,771.29 is: 711,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,075.17 : 1,054,747 = 515,771.29 : x
  2. Step 2: Convert to fraction form
    764,075.17/1,054,747 = 515,771.29/x
  3. Step 3: Cross multiply
    764,075.17x = 1,054,747 × 515,771.29
  4. Step 4: Simplify right side
    764,075.17x = 544,008,220,813.63
  5. Step 5: Solve for x
    x = 544,008,220,813.63/764,075.17
  6. Step 6: Final answer
    x = 711,982.59

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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.