Home / 785,642.01-1,178,276.16-217,010.52

Finding the Fourth Proportional to 785,642.01, 1,178,276.16 and 217,010.52

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Solution

The fourth proportional to 785,642.01, 1,178,276.16 and 217,010.52 is: 325,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,642.01 : 1,178,276.16 = 217,010.52 : x
  2. Step 2: Convert to fraction form
    785,642.01/1,178,276.16 = 217,010.52/x
  3. Step 3: Cross multiply
    785,642.01x = 1,178,276.16 × 217,010.52
  4. Step 4: Simplify right side
    785,642.01x = 255,698,322,185.20
  5. Step 5: Solve for x
    x = 255,698,322,185.20/785,642.01
  6. Step 6: Final answer
    x = 325,464.17

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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.