Home / 787,980.24-1,181,994.12-308,189.16

Finding the Fourth Proportional to 787,980.24, 1,181,994.12 and 308,189.16

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Solution

The fourth proportional to 787,980.24, 1,181,994.12 and 308,189.16 is: 462,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,980.24 : 1,181,994.12 = 308,189.16 : x
  2. Step 2: Convert to fraction form
    787,980.24/1,181,994.12 = 308,189.16/x
  3. Step 3: Cross multiply
    787,980.24x = 1,181,994.12 × 308,189.16
  4. Step 4: Simplify right side
    787,980.24x = 364,277,774,967.74
  5. Step 5: Solve for x
    x = 364,277,774,967.74/787,980.24
  6. Step 6: Final answer
    x = 462,293.03

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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.