Home / 788,727.61-1,183,290.45-220,108.24

Finding the Fourth Proportional to 788,727.61, 1,183,290.45 and 220,108.24

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Solution

The fourth proportional to 788,727.61, 1,183,290.45 and 220,108.24 is: 330,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,727.61 : 1,183,290.45 = 220,108.24 : x
  2. Step 2: Convert to fraction form
    788,727.61/1,183,290.45 = 220,108.24/x
  3. Step 3: Cross multiply
    788,727.61x = 1,183,290.45 × 220,108.24
  4. Step 4: Simplify right side
    788,727.61x = 260,451,980,250.12
  5. Step 5: Solve for x
    x = 260,451,980,250.12/788,727.61
  6. Step 6: Final answer
    x = 330,217.91

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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.