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Finding the Fourth Proportional to 549,923.76, 758,893.78 and 308,206.27

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Solution

The fourth proportional to 549,923.76, 758,893.78 and 308,206.27 is: 425,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,923.76 : 758,893.78 = 308,206.27 : x
  2. Step 2: Convert to fraction form
    549,923.76/758,893.78 = 308,206.27/x
  3. Step 3: Cross multiply
    549,923.76x = 758,893.78 × 308,206.27
  4. Step 4: Simplify right side
    549,923.76x = 233,895,818,592.25
  5. Step 5: Solve for x
    x = 233,895,818,592.25/549,923.76
  6. Step 6: Final answer
    x = 425,324.08

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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.