Home / 751,210.76-1,036,665.60-411,671.72

Finding the Fourth Proportional to 751,210.76, 1,036,665.60 and 411,671.72

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Solution

The fourth proportional to 751,210.76, 1,036,665.60 and 411,671.72 is: 568,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,210.76 : 1,036,665.60 = 411,671.72 : x
  2. Step 2: Convert to fraction form
    751,210.76/1,036,665.60 = 411,671.72/x
  3. Step 3: Cross multiply
    751,210.76x = 1,036,665.60 × 411,671.72
  4. Step 4: Simplify right side
    751,210.76x = 426,765,910,616.83
  5. Step 5: Solve for x
    x = 426,765,910,616.83/751,210.76
  6. Step 6: Final answer
    x = 568,104.10

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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.