Home / 457,408.02-631,213.62-253,457.16

Finding the Fourth Proportional to 457,408.02, 631,213.62 and 253,457.16

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Solution

The fourth proportional to 457,408.02, 631,213.62 and 253,457.16 is: 349,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,408.02 : 631,213.62 = 253,457.16 : x
  2. Step 2: Convert to fraction form
    457,408.02/631,213.62 = 253,457.16/x
  3. Step 3: Cross multiply
    457,408.02x = 631,213.62 × 253,457.16
  4. Step 4: Simplify right side
    457,408.02x = 159,985,611,478.52
  5. Step 5: Solve for x
    x = 159,985,611,478.52/457,408.02
  6. Step 6: Final answer
    x = 349,765.65

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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.