Home / 756,955.44-1,134,147.81-456,805.32

Finding the Fourth Proportional to 756,955.44, 1,134,147.81 and 456,805.32

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Solution

The fourth proportional to 756,955.44, 1,134,147.81 and 456,805.32 is: 684,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,955.44 : 1,134,147.81 = 456,805.32 : x
  2. Step 2: Convert to fraction form
    756,955.44/1,134,147.81 = 456,805.32/x
  3. Step 3: Cross multiply
    756,955.44x = 1,134,147.81 × 456,805.32
  4. Step 4: Simplify right side
    756,955.44x = 518,084,753,274.35
  5. Step 5: Solve for x
    x = 518,084,753,274.35/756,955.44
  6. Step 6: Final answer
    x = 684,432.30

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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.