Home / 682,490.58-1,024,364.16-345,765.48

Finding the Fourth Proportional to 682,490.58, 1,024,364.16 and 345,765.48

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Solution

The fourth proportional to 682,490.58, 1,024,364.16 and 345,765.48 is: 518,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,490.58 : 1,024,364.16 = 345,765.48 : x
  2. Step 2: Convert to fraction form
    682,490.58/1,024,364.16 = 345,765.48/x
  3. Step 3: Cross multiply
    682,490.58x = 1,024,364.16 × 345,765.48
  4. Step 4: Simplify right side
    682,490.58x = 354,189,765,477.20
  5. Step 5: Solve for x
    x = 354,189,765,477.20/682,490.58
  6. Step 6: Final answer
    x = 518,966.53

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1.5x scale

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.