Home / 549,119.26-757,778.80-307,403.82

Finding the Fourth Proportional to 549,119.26, 757,778.80 and 307,403.82

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Solution

The fourth proportional to 549,119.26, 757,778.80 and 307,403.82 is: 424,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,119.26 : 757,778.80 = 307,403.82 : x
  2. Step 2: Convert to fraction form
    549,119.26/757,778.80 = 307,403.82/x
  3. Step 3: Cross multiply
    549,119.26x = 757,778.80 × 307,403.82
  4. Step 4: Simplify right side
    549,119.26x = 232,944,097,835.02
  5. Step 5: Solve for x
    x = 232,944,097,835.02/549,119.26
  6. Step 6: Final answer
    x = 424,214.04

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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.