Home / 751,303.68-1,036,808.28-411,771.12

Finding the Fourth Proportional to 751,303.68, 1,036,808.28 and 411,771.12

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Solution

The fourth proportional to 751,303.68, 1,036,808.28 and 411,771.12 is: 568,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303.68 : 1,036,808.28 = 411,771.12 : x
  2. Step 2: Convert to fraction form
    751,303.68/1,036,808.28 = 411,771.12/x
  3. Step 3: Cross multiply
    751,303.68x = 1,036,808.28 × 411,771.12
  4. Step 4: Simplify right side
    751,303.68x = 426,927,706,680.87
  5. Step 5: Solve for x
    x = 426,927,706,680.87/751,303.68
  6. Step 6: Final answer
    x = 568,249.19

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Double scale
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Similar ratio
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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.