Home / 692,449.88-1,038,809.48-265,954.50

Finding the Fourth Proportional to 692,449.88, 1,038,809.48 and 265,954.50

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Solution

The fourth proportional to 692,449.88, 1,038,809.48 and 265,954.50 is: 398,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,449.88 : 1,038,809.48 = 265,954.50 : x
  2. Step 2: Convert to fraction form
    692,449.88/1,038,809.48 = 265,954.50/x
  3. Step 3: Cross multiply
    692,449.88x = 1,038,809.48 × 265,954.50
  4. Step 4: Simplify right side
    692,449.88x = 276,276,055,848.66
  5. Step 5: Solve for x
    x = 276,276,055,848.66/692,449.88
  6. Step 6: Final answer
    x = 398,983.47

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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.