Home / 487,758.42-673,132.77-272,885.64

Finding the Fourth Proportional to 487,758.42, 673,132.77 and 272,885.64

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Solution

The fourth proportional to 487,758.42, 673,132.77 and 272,885.64 is: 376,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,758.42 : 673,132.77 = 272,885.64 : x
  2. Step 2: Convert to fraction form
    487,758.42/673,132.77 = 272,885.64/x
  3. Step 3: Cross multiply
    487,758.42x = 673,132.77 × 272,885.64
  4. Step 4: Simplify right side
    487,758.42x = 183,688,266,746.42
  5. Step 5: Solve for x
    x = 183,688,266,746.42/487,758.42
  6. Step 6: Final answer
    x = 376,596.81

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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.