Home / 745,582.92-1,028,933.56-423,323

Finding the Fourth Proportional to 745,582.92, 1,028,933.56 and 423,323

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Solution

The fourth proportional to 745,582.92, 1,028,933.56 and 423,323 is: 584,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,582.92 : 1,028,933.56 = 423,323 : x
  2. Step 2: Convert to fraction form
    745,582.92/1,028,933.56 = 423,323/x
  3. Step 3: Cross multiply
    745,582.92x = 1,028,933.56 × 423,323
  4. Step 4: Simplify right side
    745,582.92x = 435,571,241,419.88
  5. Step 5: Solve for x
    x = 435,571,241,419.88/745,582.92
  6. Step 6: Final answer
    x = 584,202.28

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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.