Home / 788,805.20-1,183,731.90-290,169.20

Finding the Fourth Proportional to 788,805.20, 1,183,731.90 and 290,169.20

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Solution

The fourth proportional to 788,805.20, 1,183,731.90 and 290,169.20 is: 435,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,805.20 : 1,183,731.90 = 290,169.20 : x
  2. Step 2: Convert to fraction form
    788,805.20/1,183,731.90 = 290,169.20/x
  3. Step 3: Cross multiply
    788,805.20x = 1,183,731.90 × 290,169.20
  4. Step 4: Simplify right side
    788,805.20x = 343,482,538,437.48
  5. Step 5: Solve for x
    x = 343,482,538,437.48/788,805.20
  6. Step 6: Final answer
    x = 435,446.59

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1.5x scale

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.