Home / 940,487.60-1,411,336.20-520,065.20

Finding the Fourth Proportional to 940,487.60, 1,411,336.20 and 520,065.20

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Solution

The fourth proportional to 940,487.60, 1,411,336.20 and 520,065.20 is: 780,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,487.60 : 1,411,336.20 = 520,065.20 : x
  2. Step 2: Convert to fraction form
    940,487.60/1,411,336.20 = 520,065.20/x
  3. Step 3: Cross multiply
    940,487.60x = 1,411,336.20 × 520,065.20
  4. Step 4: Simplify right side
    940,487.60x = 733,986,843,120.24
  5. Step 5: Solve for x
    x = 733,986,843,120.24/940,487.60
  6. Step 6: Final answer
    x = 780,432.24

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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.