Home / 745,583.73-1,028,934.68-423,323.81

Finding the Fourth Proportional to 745,583.73, 1,028,934.68 and 423,323.81

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Solution

The fourth proportional to 745,583.73, 1,028,934.68 and 423,323.81 is: 584,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,583.73 : 1,028,934.68 = 423,323.81 : x
  2. Step 2: Convert to fraction form
    745,583.73/1,028,934.68 = 423,323.81/x
  3. Step 3: Cross multiply
    745,583.73x = 1,028,934.68 × 423,323.81
  4. Step 4: Simplify right side
    745,583.73x = 435,572,548,978.73
  5. Step 5: Solve for x
    x = 435,572,548,978.73/745,583.73
  6. Step 6: Final answer
    x = 584,203.40

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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.