Home / 792,646.20-1,188,969.30-260,038.80

Finding the Fourth Proportional to 792,646.20, 1,188,969.30 and 260,038.80

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Solution

The fourth proportional to 792,646.20, 1,188,969.30 and 260,038.80 is: 390,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,646.20 : 1,188,969.30 = 260,038.80 : x
  2. Step 2: Convert to fraction form
    792,646.20/1,188,969.30 = 260,038.80/x
  3. Step 3: Cross multiply
    792,646.20x = 1,188,969.30 × 260,038.80
  4. Step 4: Simplify right side
    792,646.20x = 309,178,150,008.84
  5. Step 5: Solve for x
    x = 309,178,150,008.84/792,646.20
  6. Step 6: Final answer
    x = 390,058.20

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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.