Home / 487,433.53-672,676.64-272,573.11

Finding the Fourth Proportional to 487,433.53, 672,676.64 and 272,573.11

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Solution

The fourth proportional to 487,433.53, 672,676.64 and 272,573.11 is: 376,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,433.53 : 672,676.64 = 272,573.11 : x
  2. Step 2: Convert to fraction form
    487,433.53/672,676.64 = 272,573.11/x
  3. Step 3: Cross multiply
    487,433.53x = 672,676.64 × 272,573.11
  4. Step 4: Simplify right side
    487,433.53x = 183,353,563,789.15
  5. Step 5: Solve for x
    x = 183,353,563,789.15/487,433.53
  6. Step 6: Final answer
    x = 376,161.16

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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.