Home / 745,293.64-1,028,453.32-423,010.32

Finding the Fourth Proportional to 745,293.64, 1,028,453.32 and 423,010.32

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Solution

The fourth proportional to 745,293.64, 1,028,453.32 and 423,010.32 is: 583,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,293.64 : 1,028,453.32 = 423,010.32 : x
  2. Step 2: Convert to fraction form
    745,293.64/1,028,453.32 = 423,010.32/x
  3. Step 3: Cross multiply
    745,293.64x = 1,028,453.32 × 423,010.32
  4. Step 4: Simplify right side
    745,293.64x = 435,046,367,998.26
  5. Step 5: Solve for x
    x = 435,046,367,998.26/745,293.64
  6. Step 6: Final answer
    x = 583,724.78

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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.