Home / 949,198.20-1,309,894.04-519,478.08

Finding the Fourth Proportional to 949,198.20, 1,309,894.04 and 519,478.08

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Solution

The fourth proportional to 949,198.20, 1,309,894.04 and 519,478.08 is: 716,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,198.20 : 1,309,894.04 = 519,478.08 : x
  2. Step 2: Convert to fraction form
    949,198.20/1,309,894.04 = 519,478.08/x
  3. Step 3: Cross multiply
    949,198.20x = 1,309,894.04 × 519,478.08
  4. Step 4: Simplify right side
    949,198.20x = 680,461,240,902.64
  5. Step 5: Solve for x
    x = 680,461,240,902.64/949,198.20
  6. Step 6: Final answer
    x = 716,880.04

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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.