Home / 745,582.89-1,028,933.52-423,322.98

Finding the Fourth Proportional to 745,582.89, 1,028,933.52 and 423,322.98

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Solution

The fourth proportional to 745,582.89, 1,028,933.52 and 423,322.98 is: 584,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,582.89 : 1,028,933.52 = 423,322.98 : x
  2. Step 2: Convert to fraction form
    745,582.89/1,028,933.52 = 423,322.98/x
  3. Step 3: Cross multiply
    745,582.89x = 1,028,933.52 × 423,322.98
  4. Step 4: Simplify right side
    745,582.89x = 435,571,203,908.29
  5. Step 5: Solve for x
    x = 435,571,203,908.29/745,582.89
  6. Step 6: Final answer
    x = 584,202.25

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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.