Home / 532,433.31-734,787.75-290,738.34

Finding the Fourth Proportional to 532,433.31, 734,787.75 and 290,738.34

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Solution

The fourth proportional to 532,433.31, 734,787.75 and 290,738.34 is: 401,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,433.31 : 734,787.75 = 290,738.34 : x
  2. Step 2: Convert to fraction form
    532,433.31/734,787.75 = 290,738.34/x
  3. Step 3: Cross multiply
    532,433.31x = 734,787.75 × 290,738.34
  4. Step 4: Simplify right side
    532,433.31x = 213,630,970,687.34
  5. Step 5: Solve for x
    x = 213,630,970,687.34/532,433.31
  6. Step 6: Final answer
    x = 401,235.17

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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.