Home / 745,310.62-1,028,621.60-423,125.02

Finding the Fourth Proportional to 745,310.62, 1,028,621.60 and 423,125.02

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Solution

The fourth proportional to 745,310.62, 1,028,621.60 and 423,125.02 is: 583,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,310.62 : 1,028,621.60 = 423,125.02 : x
  2. Step 2: Convert to fraction form
    745,310.62/1,028,621.60 = 423,125.02/x
  3. Step 3: Cross multiply
    745,310.62x = 1,028,621.60 × 423,125.02
  4. Step 4: Simplify right side
    745,310.62x = 435,235,535,072.43
  5. Step 5: Solve for x
    x = 435,235,535,072.43/745,310.62
  6. Step 6: Final answer
    x = 583,965.29

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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.