Home / 949,200.20-1,309,896.80-519,480.08

Finding the Fourth Proportional to 949,200.20, 1,309,896.80 and 519,480.08

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Solution

The fourth proportional to 949,200.20, 1,309,896.80 and 519,480.08 is: 716,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,200.20 : 1,309,896.80 = 519,480.08 : x
  2. Step 2: Convert to fraction form
    949,200.20/1,309,896.80 = 519,480.08/x
  3. Step 3: Cross multiply
    949,200.20x = 1,309,896.80 × 519,480.08
  4. Step 4: Simplify right side
    949,200.20x = 680,465,294,455.74
  5. Step 5: Solve for x
    x = 680,465,294,455.74/949,200.20
  6. Step 6: Final answer
    x = 716,882.80

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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.