Home / 751,417.20-1,036,995.48-411,899.76

Finding the Fourth Proportional to 751,417.20, 1,036,995.48 and 411,899.76

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Solution

The fourth proportional to 751,417.20, 1,036,995.48 and 411,899.76 is: 568,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,417.20 : 1,036,995.48 = 411,899.76 : x
  2. Step 2: Convert to fraction form
    751,417.20/1,036,995.48 = 411,899.76/x
  3. Step 3: Cross multiply
    751,417.20x = 1,036,995.48 × 411,899.76
  4. Step 4: Simplify right side
    751,417.20x = 427,138,189,333.09
  5. Step 5: Solve for x
    x = 427,138,189,333.09/751,417.20
  6. Step 6: Final answer
    x = 568,443.46

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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.