Home / 711,038.88-1,066,453.44-261,655.36

Finding the Fourth Proportional to 711,038.88, 1,066,453.44 and 261,655.36

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Solution

The fourth proportional to 711,038.88, 1,066,453.44 and 261,655.36 is: 392,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,038.88 : 1,066,453.44 = 261,655.36 : x
  2. Step 2: Convert to fraction form
    711,038.88/1,066,453.44 = 261,655.36/x
  3. Step 3: Cross multiply
    711,038.88x = 1,066,453.44 × 261,655.36
  4. Step 4: Simplify right side
    711,038.88x = 279,043,258,766.44
  5. Step 5: Solve for x
    x = 279,043,258,766.44/711,038.88
  6. Step 6: Final answer
    x = 392,444.45

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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.