Home / 788,632.20-1,183,121.10-256,062.60

Finding the Fourth Proportional to 788,632.20, 1,183,121.10 and 256,062.60

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Solution

The fourth proportional to 788,632.20, 1,183,121.10 and 256,062.60 is: 384,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,632.20 : 1,183,121.10 = 256,062.60 : x
  2. Step 2: Convert to fraction form
    788,632.20/1,183,121.10 = 256,062.60/x
  3. Step 3: Cross multiply
    788,632.20x = 1,183,121.10 × 256,062.60
  4. Step 4: Simplify right side
    788,632.20x = 302,953,064,980.86
  5. Step 5: Solve for x
    x = 302,953,064,980.86/788,632.20
  6. Step 6: Final answer
    x = 384,150.01

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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.