Home / 620,540.20-931,271.10-246,831.40

Finding the Fourth Proportional to 620,540.20, 931,271.10 and 246,831.40

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Solution

The fourth proportional to 620,540.20, 931,271.10 and 246,831.40 is: 370,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,540.20 : 931,271.10 = 246,831.40 : x
  2. Step 2: Convert to fraction form
    620,540.20/931,271.10 = 246,831.40/x
  3. Step 3: Cross multiply
    620,540.20x = 931,271.10 × 246,831.40
  4. Step 4: Simplify right side
    620,540.20x = 229,866,949,392.54
  5. Step 5: Solve for x
    x = 229,866,949,392.54/620,540.20
  6. Step 6: Final answer
    x = 370,430.39

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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.