Home / 875,458.53-1,313,530.43-342,887.58

Finding the Fourth Proportional to 875,458.53, 1,313,530.43 and 342,887.58

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Solution

The fourth proportional to 875,458.53, 1,313,530.43 and 342,887.58 is: 514,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,458.53 : 1,313,530.43 = 342,887.58 : x
  2. Step 2: Convert to fraction form
    875,458.53/1,313,530.43 = 342,887.58/x
  3. Step 3: Cross multiply
    875,458.53x = 1,313,530.43 × 342,887.58
  4. Step 4: Simplify right side
    875,458.53x = 450,393,268,684.62
  5. Step 5: Solve for x
    x = 450,393,268,684.62/875,458.53
  6. Step 6: Final answer
    x = 514,465.57

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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.