Home / 745,383.24-1,028,641.32-423,103.23

Finding the Fourth Proportional to 745,383.24, 1,028,641.32 and 423,103.23

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Solution

The fourth proportional to 745,383.24, 1,028,641.32 and 423,103.23 is: 583,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,383.24 : 1,028,641.32 = 423,103.23 : x
  2. Step 2: Convert to fraction form
    745,383.24/1,028,641.32 = 423,103.23/x
  3. Step 3: Cross multiply
    745,383.24x = 1,028,641.32 × 423,103.23
  4. Step 4: Simplify right side
    745,383.24x = 435,221,465,003.46
  5. Step 5: Solve for x
    x = 435,221,465,003.46/745,383.24
  6. Step 6: Final answer
    x = 583,889.52

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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.