Home / 751,057.52-1,036,555.80-428,693.72

Finding the Fourth Proportional to 751,057.52, 1,036,555.80 and 428,693.72

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Solution

The fourth proportional to 751,057.52, 1,036,555.80 and 428,693.72 is: 591,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,057.52 : 1,036,555.80 = 428,693.72 : x
  2. Step 2: Convert to fraction form
    751,057.52/1,036,555.80 = 428,693.72/x
  3. Step 3: Cross multiply
    751,057.52x = 1,036,555.80 × 428,693.72
  4. Step 4: Simplify right side
    751,057.52x = 444,364,961,889.58
  5. Step 5: Solve for x
    x = 444,364,961,889.58/751,057.52
  6. Step 6: Final answer
    x = 591,652.37

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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.