Home / 802,146.36-1,203,487.56-262,427.40

Finding the Fourth Proportional to 802,146.36, 1,203,487.56 and 262,427.40

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Solution

The fourth proportional to 802,146.36, 1,203,487.56 and 262,427.40 is: 393,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,146.36 : 1,203,487.56 = 262,427.40 : x
  2. Step 2: Convert to fraction form
    802,146.36/1,203,487.56 = 262,427.40/x
  3. Step 3: Cross multiply
    802,146.36x = 1,203,487.56 × 262,427.40
  4. Step 4: Simplify right side
    802,146.36x = 315,828,111,303.14
  5. Step 5: Solve for x
    x = 315,828,111,303.14/802,146.36
  6. Step 6: Final answer
    x = 393,728.78

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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.