Home / 745,582.98-1,028,933.64-423,323.10

Finding the Fourth Proportional to 745,582.98, 1,028,933.64 and 423,323.10

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Solution

The fourth proportional to 745,582.98, 1,028,933.64 and 423,323.10 is: 584,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,582.98 : 1,028,933.64 = 423,323.10 : x
  2. Step 2: Convert to fraction form
    745,582.98/1,028,933.64 = 423,323.10/x
  3. Step 3: Cross multiply
    745,582.98x = 1,028,933.64 × 423,323.10
  4. Step 4: Simplify right side
    745,582.98x = 435,571,378,179.08
  5. Step 5: Solve for x
    x = 435,571,378,179.08/745,582.98
  6. Step 6: Final answer
    x = 584,202.42

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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.