Home / 682,976.73-942,631.25-407,352.25

Finding the Fourth Proportional to 682,976.73, 942,631.25 and 407,352.25

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Solution

The fourth proportional to 682,976.73, 942,631.25 and 407,352.25 is: 562,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,976.73 : 942,631.25 = 407,352.25 : x
  2. Step 2: Convert to fraction form
    682,976.73/942,631.25 = 407,352.25/x
  3. Step 3: Cross multiply
    682,976.73x = 942,631.25 × 407,352.25
  4. Step 4: Simplify right side
    682,976.73x = 383,982,960,607.81
  5. Step 5: Solve for x
    x = 383,982,960,607.81/682,976.73
  6. Step 6: Final answer
    x = 562,219.68

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1.5x scale

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.