Home / 949,035.06-1,309,668.48-519,318.72

Finding the Fourth Proportional to 949,035.06, 1,309,668.48 and 519,318.72

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Solution

The fourth proportional to 949,035.06, 1,309,668.48 and 519,318.72 is: 716,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,035.06 : 1,309,668.48 = 519,318.72 : x
  2. Step 2: Convert to fraction form
    949,035.06/1,309,668.48 = 519,318.72/x
  3. Step 3: Cross multiply
    949,035.06x = 1,309,668.48 × 519,318.72
  4. Step 4: Simplify right side
    949,035.06x = 680,135,358,657.95
  5. Step 5: Solve for x
    x = 680,135,358,657.95/949,035.06
  6. Step 6: Final answer
    x = 716,659.89

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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.