Home / 869,907.20-1,303,979.52-589,452.80

Finding the Fourth Proportional to 869,907.20, 1,303,979.52 and 589,452.80

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Solution

The fourth proportional to 869,907.20, 1,303,979.52 and 589,452.80 is: 883,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,907.20 : 1,303,979.52 = 589,452.80 : x
  2. Step 2: Convert to fraction form
    869,907.20/1,303,979.52 = 589,452.80/x
  3. Step 3: Cross multiply
    869,907.20x = 1,303,979.52 × 589,452.80
  4. Step 4: Simplify right side
    869,907.20x = 768,634,379,206.66
  5. Step 5: Solve for x
    x = 768,634,379,206.66/869,907.20
  6. Step 6: Final answer
    x = 883,582.04

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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.