Home / 490,242.02-676,607.64-299,365.52

Finding the Fourth Proportional to 490,242.02, 676,607.64 and 299,365.52

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Solution

The fourth proportional to 490,242.02, 676,607.64 and 299,365.52 is: 413,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,242.02 : 676,607.64 = 299,365.52 : x
  2. Step 2: Convert to fraction form
    490,242.02/676,607.64 = 299,365.52/x
  3. Step 3: Cross multiply
    490,242.02x = 676,607.64 × 299,365.52
  4. Step 4: Simplify right side
    490,242.02x = 202,552,999,676.09
  5. Step 5: Solve for x
    x = 202,552,999,676.09/490,242.02
  6. Step 6: Final answer
    x = 413,169.39

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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.