Home / 740,622.11-1,111,254.04-261,192.50

Finding the Fourth Proportional to 740,622.11, 1,111,254.04 and 261,192.50

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Solution

The fourth proportional to 740,622.11, 1,111,254.04 and 261,192.50 is: 391,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,622.11 : 1,111,254.04 = 261,192.50 : x
  2. Step 2: Convert to fraction form
    740,622.11/1,111,254.04 = 261,192.50/x
  3. Step 3: Cross multiply
    740,622.11x = 1,111,254.04 × 261,192.50
  4. Step 4: Simplify right side
    740,622.11x = 290,251,214,633.45
  5. Step 5: Solve for x
    x = 290,251,214,633.45/740,622.11
  6. Step 6: Final answer
    x = 391,901.91

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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.