Home / 678,611.48-1,017,970.62-179,975.48

Finding the Fourth Proportional to 678,611.48, 1,017,970.62 and 179,975.48

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Solution

The fourth proportional to 678,611.48, 1,017,970.62 and 179,975.48 is: 269,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,611.48 : 1,017,970.62 = 179,975.48 : x
  2. Step 2: Convert to fraction form
    678,611.48/1,017,970.62 = 179,975.48/x
  3. Step 3: Cross multiply
    678,611.48x = 1,017,970.62 × 179,975.48
  4. Step 4: Simplify right side
    678,611.48x = 183,209,750,960.40
  5. Step 5: Solve for x
    x = 183,209,750,960.40/678,611.48
  6. Step 6: Final answer
    x = 269,977.38

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1.5x scale

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.