Home / 923,090.72-1,385,254.62-324,053.64

Finding the Fourth Proportional to 923,090.72, 1,385,254.62 and 324,053.64

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Solution

The fourth proportional to 923,090.72, 1,385,254.62 and 324,053.64 is: 486,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,090.72 : 1,385,254.62 = 324,053.64 : x
  2. Step 2: Convert to fraction form
    923,090.72/1,385,254.62 = 324,053.64/x
  3. Step 3: Cross multiply
    923,090.72x = 1,385,254.62 × 324,053.64
  4. Step 4: Simplify right side
    923,090.72x = 448,896,801,937.82
  5. Step 5: Solve for x
    x = 448,896,801,937.82/923,090.72
  6. Step 6: Final answer
    x = 486,297.60

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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.