Home / 774,187.60-1,160,981.88-300,810.64

Finding the Fourth Proportional to 774,187.60, 1,160,981.88 and 300,810.64

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Solution

The fourth proportional to 774,187.60, 1,160,981.88 and 300,810.64 is: 451,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,187.60 : 1,160,981.88 = 300,810.64 : x
  2. Step 2: Convert to fraction form
    774,187.60/1,160,981.88 = 300,810.64/x
  3. Step 3: Cross multiply
    774,187.60x = 1,160,981.88 × 300,810.64
  4. Step 4: Simplify right side
    774,187.60x = 349,235,702,351.20
  5. Step 5: Solve for x
    x = 349,235,702,351.20/774,187.60
  6. Step 6: Final answer
    x = 451,099.58

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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.