Home / 949,074.56-1,309,723.02-519,354.78

Finding the Fourth Proportional to 949,074.56, 1,309,723.02 and 519,354.78

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Solution

The fourth proportional to 949,074.56, 1,309,723.02 and 519,354.78 is: 716,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,074.56 : 1,309,723.02 = 519,354.78 : x
  2. Step 2: Convert to fraction form
    949,074.56/1,309,723.02 = 519,354.78/x
  3. Step 3: Cross multiply
    949,074.56x = 1,309,723.02 × 519,354.78
  4. Step 4: Simplify right side
    949,074.56x = 680,210,910,913.04
  5. Step 5: Solve for x
    x = 680,210,910,913.04/949,074.56
  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.