Home / 949,074.57-1,309,723.01-519,354.79

Finding the Fourth Proportional to 949,074.57, 1,309,723.01 and 519,354.79

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Solution

The fourth proportional to 949,074.57, 1,309,723.01 and 519,354.79 is: 716,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,074.57 : 1,309,723.01 = 519,354.79 : x
  2. Step 2: Convert to fraction form
    949,074.57/1,309,723.01 = 519,354.79/x
  3. Step 3: Cross multiply
    949,074.57x = 1,309,723.01 × 519,354.79
  4. Step 4: Simplify right side
    949,074.57x = 680,210,918,816.72
  5. Step 5: Solve for x
    x = 680,210,918,816.72/949,074.57
  6. Step 6: Final answer
    x = 716,709.67

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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.