Home / 628,006.40-942,067.20-207,283.20

Finding the Fourth Proportional to 628,006.40, 942,067.20 and 207,283.20

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Solution

The fourth proportional to 628,006.40, 942,067.20 and 207,283.20 is: 310,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,006.40 : 942,067.20 = 207,283.20 : x
  2. Step 2: Convert to fraction form
    628,006.40/942,067.20 = 207,283.20/x
  3. Step 3: Cross multiply
    628,006.40x = 942,067.20 × 207,283.20
  4. Step 4: Simplify right side
    628,006.40x = 195,274,703,831.04
  5. Step 5: Solve for x
    x = 195,274,703,831.04/628,006.40
  6. Step 6: Final answer
    x = 310,943.81

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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.