Home / 727,803.88-1,091,903.46-412,482.22

Finding the Fourth Proportional to 727,803.88, 1,091,903.46 and 412,482.22

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Solution

The fourth proportional to 727,803.88, 1,091,903.46 and 412,482.22 is: 618,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,803.88 : 1,091,903.46 = 412,482.22 : x
  2. Step 2: Convert to fraction form
    727,803.88/1,091,903.46 = 412,482.22/x
  3. Step 3: Cross multiply
    727,803.88x = 1,091,903.46 × 412,482.22
  4. Step 4: Simplify right side
    727,803.88x = 450,390,763,206.48
  5. Step 5: Solve for x
    x = 450,390,763,206.48/727,803.88
  6. Step 6: Final answer
    x = 618,835.34

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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.