Home / 887,880.62-1,225,395.18-500,775.45

Finding the Fourth Proportional to 887,880.62, 1,225,395.18 and 500,775.45

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Solution

The fourth proportional to 887,880.62, 1,225,395.18 and 500,775.45 is: 691,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,880.62 : 1,225,395.18 = 500,775.45 : x
  2. Step 2: Convert to fraction form
    887,880.62/1,225,395.18 = 500,775.45/x
  3. Step 3: Cross multiply
    887,880.62x = 1,225,395.18 × 500,775.45
  4. Step 4: Simplify right side
    887,880.62x = 613,647,822,692.33
  5. Step 5: Solve for x
    x = 613,647,822,692.33/887,880.62
  6. Step 6: Final answer
    x = 691,137.76

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1.5x scale

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.