Home / 869,823.83-1,200,356.52-507,177.65

Finding the Fourth Proportional to 869,823.83, 1,200,356.52 and 507,177.65

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Solution

The fourth proportional to 869,823.83, 1,200,356.52 and 507,177.65 is: 699,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,823.83 : 1,200,356.52 = 507,177.65 : x
  2. Step 2: Convert to fraction form
    869,823.83/1,200,356.52 = 507,177.65/x
  3. Step 3: Cross multiply
    869,823.83x = 1,200,356.52 × 507,177.65
  4. Step 4: Simplify right side
    869,823.83x = 608,794,000,074.75
  5. Step 5: Solve for x
    x = 608,794,000,074.75/869,823.83
  6. Step 6: Final answer
    x = 699,904.94

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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.