Home / 683,010.40-1,024,822.80-308,840.80

Finding the Fourth Proportional to 683,010.40, 1,024,822.80 and 308,840.80

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Solution

The fourth proportional to 683,010.40, 1,024,822.80 and 308,840.80 is: 463,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,010.40 : 1,024,822.80 = 308,840.80 : x
  2. Step 2: Convert to fraction form
    683,010.40/1,024,822.80 = 308,840.80/x
  3. Step 3: Cross multiply
    683,010.40x = 1,024,822.80 × 308,840.80
  4. Step 4: Simplify right side
    683,010.40x = 316,507,093,410.24
  5. Step 5: Solve for x
    x = 316,507,093,410.24/683,010.40
  6. Step 6: Final answer
    x = 463,400.11

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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.