Home / 887,569.80-1,330,479.90-437,922.60

Finding the Fourth Proportional to 887,569.80, 1,330,479.90 and 437,922.60

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Solution

The fourth proportional to 887,569.80, 1,330,479.90 and 437,922.60 is: 656,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,569.80 : 1,330,479.90 = 437,922.60 : x
  2. Step 2: Convert to fraction form
    887,569.80/1,330,479.90 = 437,922.60/x
  3. Step 3: Cross multiply
    887,569.80x = 1,330,479.90 × 437,922.60
  4. Step 4: Simplify right side
    887,569.80x = 582,647,217,055.74
  5. Step 5: Solve for x
    x = 582,647,217,055.74/887,569.80
  6. Step 6: Final answer
    x = 656,452.28

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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.