Home / 719,410.64-1,078,597.56-449,635.28

Finding the Fourth Proportional to 719,410.64, 1,078,597.56 and 449,635.28

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Solution

The fourth proportional to 719,410.64, 1,078,597.56 and 449,635.28 is: 674,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,410.64 : 1,078,597.56 = 449,635.28 : x
  2. Step 2: Convert to fraction form
    719,410.64/1,078,597.56 = 449,635.28/x
  3. Step 3: Cross multiply
    719,410.64x = 1,078,597.56 × 449,635.28
  4. Step 4: Simplify right side
    719,410.64x = 484,975,515,897.92
  5. Step 5: Solve for x
    x = 484,975,515,897.92/719,410.64
  6. Step 6: Final answer
    x = 674,128.92

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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.