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Finding the Fourth Proportional to 505,094.76, 697,150.08 and 290,359.44

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Solution

The fourth proportional to 505,094.76, 697,150.08 and 290,359.44 is: 400,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,094.76 : 697,150.08 = 290,359.44 : x
  2. Step 2: Convert to fraction form
    505,094.76/697,150.08 = 290,359.44/x
  3. Step 3: Cross multiply
    505,094.76x = 697,150.08 × 290,359.44
  4. Step 4: Simplify right side
    505,094.76x = 202,424,106,824.76
  5. Step 5: Solve for x
    x = 202,424,106,824.76/505,094.76
  6. Step 6: Final answer
    x = 400,764.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.