Home / 746,919.64-1,030,763.12-407,400.04

Finding the Fourth Proportional to 746,919.64, 1,030,763.12 and 407,400.04

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Solution

The fourth proportional to 746,919.64, 1,030,763.12 and 407,400.04 is: 562,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,919.64 : 1,030,763.12 = 407,400.04 : x
  2. Step 2: Convert to fraction form
    746,919.64/1,030,763.12 = 407,400.04/x
  3. Step 3: Cross multiply
    746,919.64x = 1,030,763.12 × 407,400.04
  4. Step 4: Simplify right side
    746,919.64x = 419,932,936,318.53
  5. Step 5: Solve for x
    x = 419,932,936,318.53/746,919.64
  6. Step 6: Final answer
    x = 562,219.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.