Home / 774,303.13-1,161,454.70-301,099.21

Finding the Fourth Proportional to 774,303.13, 1,161,454.70 and 301,099.21

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Solution

The fourth proportional to 774,303.13, 1,161,454.70 and 301,099.21 is: 451,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,303.13 : 1,161,454.70 = 301,099.21 : x
  2. Step 2: Convert to fraction form
    774,303.13/1,161,454.70 = 301,099.21/x
  3. Step 3: Cross multiply
    774,303.13x = 1,161,454.70 × 301,099.21
  4. Step 4: Simplify right side
    774,303.13x = 349,713,092,620.79
  5. Step 5: Solve for x
    x = 349,713,092,620.79/774,303.13
  6. Step 6: Final answer
    x = 451,648.82

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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.