Home / 669,937.60-1,004,906.40-457,361.20

Finding the Fourth Proportional to 669,937.60, 1,004,906.40 and 457,361.20

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Solution

The fourth proportional to 669,937.60, 1,004,906.40 and 457,361.20 is: 686,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,937.60 : 1,004,906.40 = 457,361.20 : x
  2. Step 2: Convert to fraction form
    669,937.60/1,004,906.40 = 457,361.20/x
  3. Step 3: Cross multiply
    669,937.60x = 1,004,906.40 × 457,361.20
  4. Step 4: Simplify right side
    669,937.60x = 459,605,196,991.68
  5. Step 5: Solve for x
    x = 459,605,196,991.68/669,937.60
  6. Step 6: Final answer
    x = 686,041.80

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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.