Home / 628,003.90-942,063.45-207,280.70

Finding the Fourth Proportional to 628,003.90, 942,063.45 and 207,280.70

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Solution

The fourth proportional to 628,003.90, 942,063.45 and 207,280.70 is: 310,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,003.90 : 942,063.45 = 207,280.70 : x
  2. Step 2: Convert to fraction form
    628,003.90/942,063.45 = 207,280.70/x
  3. Step 3: Cross multiply
    628,003.90x = 942,063.45 × 207,280.70
  4. Step 4: Simplify right side
    628,003.90x = 195,271,571,360.42
  5. Step 5: Solve for x
    x = 195,271,571,360.42/628,003.90
  6. Step 6: Final answer
    x = 310,940.06

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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.