Home / 745,585.30-1,028,936.84-423,325.38

Finding the Fourth Proportional to 745,585.30, 1,028,936.84 and 423,325.38

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Solution

The fourth proportional to 745,585.30, 1,028,936.84 and 423,325.38 is: 584,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,585.30 : 1,028,936.84 = 423,325.38 : x
  2. Step 2: Convert to fraction form
    745,585.30/1,028,936.84 = 423,325.38/x
  3. Step 3: Cross multiply
    745,585.30x = 1,028,936.84 × 423,325.38
  4. Step 4: Simplify right side
    745,585.30x = 435,575,078,789.00
  5. Step 5: Solve for x
    x = 435,575,078,789.00/745,585.30
  6. Step 6: Final answer
    x = 584,205.56

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1.5x scale

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.