Home / 788,728.38-1,183,291.60-220,109.01

Finding the Fourth Proportional to 788,728.38, 1,183,291.60 and 220,109.01

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Solution

The fourth proportional to 788,728.38, 1,183,291.60 and 220,109.01 is: 330,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,728.38 : 1,183,291.60 = 220,109.01 : x
  2. Step 2: Convert to fraction form
    788,728.38/1,183,291.60 = 220,109.01/x
  3. Step 3: Cross multiply
    788,728.38x = 1,183,291.60 × 220,109.01
  4. Step 4: Simplify right side
    788,728.38x = 260,453,136,700.86
  5. Step 5: Solve for x
    x = 260,453,136,700.86/788,728.38
  6. Step 6: Final answer
    x = 330,219.05

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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.