Home / 549,115.72-757,629.66-377,085.40

Finding the Fourth Proportional to 549,115.72, 757,629.66 and 377,085.40

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Solution

The fourth proportional to 549,115.72, 757,629.66 and 377,085.40 is: 520,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,115.72 : 757,629.66 = 377,085.40 : x
  2. Step 2: Convert to fraction form
    549,115.72/757,629.66 = 377,085.40/x
  3. Step 3: Cross multiply
    549,115.72x = 757,629.66 × 377,085.40
  4. Step 4: Simplify right side
    549,115.72x = 285,691,083,392.96
  5. Step 5: Solve for x
    x = 285,691,083,392.96/549,115.72
  6. Step 6: Final answer
    x = 520,274.82

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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.