Home / 889,216.16-1,334,036.44-290,178.44

Finding the Fourth Proportional to 889,216.16, 1,334,036.44 and 290,178.44

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Solution

The fourth proportional to 889,216.16, 1,334,036.44 and 290,178.44 is: 435,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,216.16 : 1,334,036.44 = 290,178.44 : x
  2. Step 2: Convert to fraction form
    889,216.16/1,334,036.44 = 290,178.44/x
  3. Step 3: Cross multiply
    889,216.16x = 1,334,036.44 × 290,178.44
  4. Step 4: Simplify right side
    889,216.16x = 387,108,606,392.17
  5. Step 5: Solve for x
    x = 387,108,606,392.17/889,216.16
  6. Step 6: Final answer
    x = 435,336.90

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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.