Home / 745,309.62-1,028,620.22-423,124.02

Finding the Fourth Proportional to 745,309.62, 1,028,620.22 and 423,124.02

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Solution

The fourth proportional to 745,309.62, 1,028,620.22 and 423,124.02 is: 583,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,309.62 : 1,028,620.22 = 423,124.02 : x
  2. Step 2: Convert to fraction form
    745,309.62/1,028,620.22 = 423,124.02/x
  3. Step 3: Cross multiply
    745,309.62x = 1,028,620.22 × 423,124.02
  4. Step 4: Simplify right side
    745,309.62x = 435,233,920,424.06
  5. Step 5: Solve for x
    x = 435,233,920,424.06/745,309.62
  6. Step 6: Final answer
    x = 583,963.91

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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.