Home / 774,474.58-1,161,829.80-395,188.03

Finding the Fourth Proportional to 774,474.58, 1,161,829.80 and 395,188.03

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Solution

The fourth proportional to 774,474.58, 1,161,829.80 and 395,188.03 is: 592,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,474.58 : 1,161,829.80 = 395,188.03 : x
  2. Step 2: Convert to fraction form
    774,474.58/1,161,829.80 = 395,188.03/x
  3. Step 3: Cross multiply
    774,474.58x = 1,161,829.80 × 395,188.03
  4. Step 4: Simplify right side
    774,474.58x = 459,141,227,881.35
  5. Step 5: Solve for x
    x = 459,141,227,881.35/774,474.58
  6. Step 6: Final answer
    x = 592,842.22

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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.