Home / 751,441.69-1,037,031.96-445,699.09

Finding the Fourth Proportional to 751,441.69, 1,037,031.96 and 445,699.09

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Solution

The fourth proportional to 751,441.69, 1,037,031.96 and 445,699.09 is: 615,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,441.69 : 1,037,031.96 = 445,699.09 : x
  2. Step 2: Convert to fraction form
    751,441.69/1,037,031.96 = 445,699.09/x
  3. Step 3: Cross multiply
    751,441.69x = 1,037,031.96 × 445,699.09
  4. Step 4: Simplify right side
    751,441.69x = 462,204,200,872.92
  5. Step 5: Solve for x
    x = 462,204,200,872.92/751,441.69
  6. Step 6: Final answer
    x = 615,089.91

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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.