Home / 549,143.01-757,908.03-376,919.49

Finding the Fourth Proportional to 549,143.01, 757,908.03 and 376,919.49

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Solution

The fourth proportional to 549,143.01, 757,908.03 and 376,919.49 is: 520,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,143.01 : 757,908.03 = 376,919.49 : x
  2. Step 2: Convert to fraction form
    549,143.01/757,908.03 = 376,919.49/x
  3. Step 3: Cross multiply
    549,143.01x = 757,908.03 × 376,919.49
  4. Step 4: Simplify right side
    549,143.01x = 285,670,308,134.51
  5. Step 5: Solve for x
    x = 285,670,308,134.51/549,143.01
  6. Step 6: Final answer
    x = 520,211.13

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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.