Home / 751,287.46-1,036,774.65-407,132.90

Finding the Fourth Proportional to 751,287.46, 1,036,774.65 and 407,132.90

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Solution

The fourth proportional to 751,287.46, 1,036,774.65 and 407,132.90 is: 561,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,287.46 : 1,036,774.65 = 407,132.90 : x
  2. Step 2: Convert to fraction form
    751,287.46/1,036,774.65 = 407,132.90/x
  3. Step 3: Cross multiply
    751,287.46x = 1,036,774.65 × 407,132.90
  4. Step 4: Simplify right side
    751,287.46x = 422,105,069,900.99
  5. Step 5: Solve for x
    x = 422,105,069,900.99/751,287.46
  6. Step 6: Final answer
    x = 561,842.29

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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.