Home / 685,792.68-1,028,314.04-544,545.29

Finding the Fourth Proportional to 685,792.68, 1,028,314.04 and 544,545.29

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Solution

The fourth proportional to 685,792.68, 1,028,314.04 and 544,545.29 is: 816,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,792.68 : 1,028,314.04 = 544,545.29 : x
  2. Step 2: Convert to fraction form
    685,792.68/1,028,314.04 = 544,545.29/x
  3. Step 3: Cross multiply
    685,792.68x = 1,028,314.04 × 544,545.29
  4. Step 4: Simplify right side
    685,792.68x = 559,963,559,258.58
  5. Step 5: Solve for x
    x = 559,963,559,258.58/685,792.68
  6. Step 6: Final answer
    x = 816,520.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.