Home / 490,673.30-677,132.89-272,885.02

Finding the Fourth Proportional to 490,673.30, 677,132.89 and 272,885.02

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Solution

The fourth proportional to 490,673.30, 677,132.89 and 272,885.02 is: 376,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,673.30 : 677,132.89 = 272,885.02 : x
  2. Step 2: Convert to fraction form
    490,673.30/677,132.89 = 272,885.02/x
  3. Step 3: Cross multiply
    490,673.30x = 677,132.89 × 272,885.02
  4. Step 4: Simplify right side
    490,673.30x = 184,779,419,855.26
  5. Step 5: Solve for x
    x = 184,779,419,855.26/490,673.30
  6. Step 6: Final answer
    x = 376,583.40

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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.