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Finding the Fourth Proportional to 440,497.50, 607,834.98 and 259,169.55

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Solution

The fourth proportional to 440,497.50, 607,834.98 and 259,169.55 is: 357,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,497.50 : 607,834.98 = 259,169.55 : x
  2. Step 2: Convert to fraction form
    440,497.50/607,834.98 = 259,169.55/x
  3. Step 3: Cross multiply
    440,497.50x = 607,834.98 × 259,169.55
  4. Step 4: Simplify right side
    440,497.50x = 157,532,318,240.86
  5. Step 5: Solve for x
    x = 157,532,318,240.86/440,497.50
  6. Step 6: Final answer
    x = 357,623.64

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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.