Home / 883,964.80-1,325,947.20-386,300.80

Finding the Fourth Proportional to 883,964.80, 1,325,947.20 and 386,300.80

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Solution

The fourth proportional to 883,964.80, 1,325,947.20 and 386,300.80 is: 579,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,964.80 : 1,325,947.20 = 386,300.80 : x
  2. Step 2: Convert to fraction form
    883,964.80/1,325,947.20 = 386,300.80/x
  3. Step 3: Cross multiply
    883,964.80x = 1,325,947.20 × 386,300.80
  4. Step 4: Simplify right side
    883,964.80x = 512,214,464,117.76
  5. Step 5: Solve for x
    x = 512,214,464,117.76/883,964.80
  6. Step 6: Final answer
    x = 579,451.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.