Home / 949,053.70-1,309,694.04-519,333.88

Finding the Fourth Proportional to 949,053.70, 1,309,694.04 and 519,333.88

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Solution

The fourth proportional to 949,053.70, 1,309,694.04 and 519,333.88 is: 716,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,053.70 : 1,309,694.04 = 519,333.88 : x
  2. Step 2: Convert to fraction form
    949,053.70/1,309,694.04 = 519,333.88/x
  3. Step 3: Cross multiply
    949,053.70x = 1,309,694.04 × 519,333.88
  4. Step 4: Simplify right side
    949,053.70x = 680,168,487,406.08
  5. Step 5: Solve for x
    x = 680,168,487,406.08/949,053.70
  6. Step 6: Final answer
    x = 716,680.72

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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.