Home / 751,250.55-1,036,729.70-407,086.62

Finding the Fourth Proportional to 751,250.55, 1,036,729.70 and 407,086.62

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Solution

The fourth proportional to 751,250.55, 1,036,729.70 and 407,086.62 is: 561,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,250.55 : 1,036,729.70 = 407,086.62 : x
  2. Step 2: Convert to fraction form
    751,250.55/1,036,729.70 = 407,086.62/x
  3. Step 3: Cross multiply
    751,250.55x = 1,036,729.70 × 407,086.62
  4. Step 4: Simplify right side
    751,250.55x = 422,038,789,426.61
  5. Step 5: Solve for x
    x = 422,038,789,426.61/751,250.55
  6. Step 6: Final answer
    x = 561,781.67

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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.