Home / 712,261.93-1,068,388.78-179,780.74

Finding the Fourth Proportional to 712,261.93, 1,068,388.78 and 179,780.74

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Solution

The fourth proportional to 712,261.93, 1,068,388.78 and 179,780.74 is: 269,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,261.93 : 1,068,388.78 = 179,780.74 : x
  2. Step 2: Convert to fraction form
    712,261.93/1,068,388.78 = 179,780.74/x
  3. Step 3: Cross multiply
    712,261.93x = 1,068,388.78 × 179,780.74
  4. Step 4: Simplify right side
    712,261.93x = 192,075,725,476.10
  5. Step 5: Solve for x
    x = 192,075,725,476.10/712,261.93
  6. Step 6: Final answer
    x = 269,670.07

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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.