Home / 773,840.22-1,160,705.34-205,208.70

Finding the Fourth Proportional to 773,840.22, 1,160,705.34 and 205,208.70

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Solution

The fourth proportional to 773,840.22, 1,160,705.34 and 205,208.70 is: 307,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,840.22 : 1,160,705.34 = 205,208.70 : x
  2. Step 2: Convert to fraction form
    773,840.22/1,160,705.34 = 205,208.70/x
  3. Step 3: Cross multiply
    773,840.22x = 1,160,705.34 × 205,208.70
  4. Step 4: Simplify right side
    773,840.22x = 238,186,833,904.46
  5. Step 5: Solve for x
    x = 238,186,833,904.46/773,840.22
  6. Step 6: Final answer
    x = 307,798.47

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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.