Home / 940,005.20-1,410,007.80-308,766.80

Finding the Fourth Proportional to 940,005.20, 1,410,007.80 and 308,766.80

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Solution

The fourth proportional to 940,005.20, 1,410,007.80 and 308,766.80 is: 463,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,005.20 : 1,410,007.80 = 308,766.80 : x
  2. Step 2: Convert to fraction form
    940,005.20/1,410,007.80 = 308,766.80/x
  3. Step 3: Cross multiply
    940,005.20x = 1,410,007.80 × 308,766.80
  4. Step 4: Simplify right side
    940,005.20x = 435,363,596,381.04
  5. Step 5: Solve for x
    x = 435,363,596,381.04/940,005.20
  6. Step 6: Final answer
    x = 463,150.20

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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.