Home / 877,009.89-1,315,639.53-269,848.54

Finding the Fourth Proportional to 877,009.89, 1,315,639.53 and 269,848.54

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Solution

The fourth proportional to 877,009.89, 1,315,639.53 and 269,848.54 is: 404,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,009.89 : 1,315,639.53 = 269,848.54 : x
  2. Step 2: Convert to fraction form
    877,009.89/1,315,639.53 = 269,848.54/x
  3. Step 3: Cross multiply
    877,009.89x = 1,315,639.53 × 269,848.54
  4. Step 4: Simplify right side
    877,009.89x = 355,023,407,981.34
  5. Step 5: Solve for x
    x = 355,023,407,981.34/877,009.89
  6. Step 6: Final answer
    x = 404,811.18

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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.