Home / 711,673.02-1,066,561.83-261,978.44

Finding the Fourth Proportional to 711,673.02, 1,066,561.83 and 261,978.44

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Solution

The fourth proportional to 711,673.02, 1,066,561.83 and 261,978.44 is: 392,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,673.02 : 1,066,561.83 = 261,978.44 : x
  2. Step 2: Convert to fraction form
    711,673.02/1,066,561.83 = 261,978.44/x
  3. Step 3: Cross multiply
    711,673.02x = 1,066,561.83 × 261,978.44
  4. Step 4: Simplify right side
    711,673.02x = 279,416,199,054.14
  5. Step 5: Solve for x
    x = 279,416,199,054.14/711,673.02
  6. Step 6: Final answer
    x = 392,618.79

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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.