Home / 808,409.37-1,212,407.14-239,657.47

Finding the Fourth Proportional to 808,409.37, 1,212,407.14 and 239,657.47

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Solution

The fourth proportional to 808,409.37, 1,212,407.14 and 239,657.47 is: 359,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,409.37 : 1,212,407.14 = 239,657.47 : x
  2. Step 2: Convert to fraction form
    808,409.37/1,212,407.14 = 239,657.47/x
  3. Step 3: Cross multiply
    808,409.37x = 1,212,407.14 × 239,657.47
  4. Step 4: Simplify right side
    808,409.37x = 290,562,422,328.27
  5. Step 5: Solve for x
    x = 290,562,422,328.27/808,409.37
  6. Step 6: Final answer
    x = 359,424.86

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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.