Home / 745,584.30-1,028,935.46-423,324.38

Finding the Fourth Proportional to 745,584.30, 1,028,935.46 and 423,324.38

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Solution

The fourth proportional to 745,584.30, 1,028,935.46 and 423,324.38 is: 584,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,584.30 : 1,028,935.46 = 423,324.38 : x
  2. Step 2: Convert to fraction form
    745,584.30/1,028,935.46 = 423,324.38/x
  3. Step 3: Cross multiply
    745,584.30x = 1,028,935.46 × 423,324.38
  4. Step 4: Simplify right side
    745,584.30x = 435,573,458,403.22
  5. Step 5: Solve for x
    x = 435,573,458,403.22/745,584.30
  6. Step 6: Final answer
    x = 584,204.17

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Double scale
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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.