Home / 871,949.52-1,203,325.98-489,975.39

Finding the Fourth Proportional to 871,949.52, 1,203,325.98 and 489,975.39

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Solution

The fourth proportional to 871,949.52, 1,203,325.98 and 489,975.39 is: 676,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,949.52 : 1,203,325.98 = 489,975.39 : x
  2. Step 2: Convert to fraction form
    871,949.52/1,203,325.98 = 489,975.39/x
  3. Step 3: Cross multiply
    871,949.52x = 1,203,325.98 × 489,975.39
  4. Step 4: Simplify right side
    871,949.52x = 589,600,116,347.63
  5. Step 5: Solve for x
    x = 589,600,116,347.63/871,949.52
  6. Step 6: Final answer
    x = 676,186.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.