Home / 745,052.49-1,028,314.16-422,792.58

Finding the Fourth Proportional to 745,052.49, 1,028,314.16 and 422,792.58

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Solution

The fourth proportional to 745,052.49, 1,028,314.16 and 422,792.58 is: 583,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,052.49 : 1,028,314.16 = 422,792.58 : x
  2. Step 2: Convert to fraction form
    745,052.49/1,028,314.16 = 422,792.58/x
  3. Step 3: Cross multiply
    745,052.49x = 1,028,314.16 × 422,792.58
  4. Step 4: Simplify right side
    745,052.49x = 434,763,594,642.97
  5. Step 5: Solve for x
    x = 434,763,594,642.97/745,052.49
  6. Step 6: Final answer
    x = 583,534.18

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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.