Home / 456,130.80-684,196.20-306,831.60

Finding the Fourth Proportional to 456,130.80, 684,196.20 and 306,831.60

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Solution

The fourth proportional to 456,130.80, 684,196.20 and 306,831.60 is: 460,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,130.80 : 684,196.20 = 306,831.60 : x
  2. Step 2: Convert to fraction form
    456,130.80/684,196.20 = 306,831.60/x
  3. Step 3: Cross multiply
    456,130.80x = 684,196.20 × 306,831.60
  4. Step 4: Simplify right side
    456,130.80x = 209,933,014,759.92
  5. Step 5: Solve for x
    x = 209,933,014,759.92/456,130.80
  6. Step 6: Final answer
    x = 460,247.40

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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.