Home / 852,608.80-1,277,228.40-553,297.60

Finding the Fourth Proportional to 852,608.80, 1,277,228.40 and 553,297.60

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Solution

The fourth proportional to 852,608.80, 1,277,228.40 and 553,297.60 is: 828,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,608.80 : 1,277,228.40 = 553,297.60 : x
  2. Step 2: Convert to fraction form
    852,608.80/1,277,228.40 = 553,297.60/x
  3. Step 3: Cross multiply
    852,608.80x = 1,277,228.40 × 553,297.60
  4. Step 4: Simplify right side
    852,608.80x = 706,687,408,371.84
  5. Step 5: Solve for x
    x = 706,687,408,371.84/852,608.80
  6. Step 6: Final answer
    x = 828,853.05

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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.