Home / 751,056.76-1,036,458.31-449,250.76

Finding the Fourth Proportional to 751,056.76, 1,036,458.31 and 449,250.76

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Solution

The fourth proportional to 751,056.76, 1,036,458.31 and 449,250.76 is: 619,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,056.76 : 1,036,458.31 = 449,250.76 : x
  2. Step 2: Convert to fraction form
    751,056.76/1,036,458.31 = 449,250.76/x
  3. Step 3: Cross multiply
    751,056.76x = 1,036,458.31 × 449,250.76
  4. Step 4: Simplify right side
    751,056.76x = 465,629,683,475.82
  5. Step 5: Solve for x
    x = 465,629,683,475.82/751,056.76
  6. Step 6: Final answer
    x = 619,966.04

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Double scale
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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.