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Finding the Fourth Proportional to 440,400.34, 607,723.68 and 259,077.21

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Solution

The fourth proportional to 440,400.34, 607,723.68 and 259,077.21 is: 357,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,400.34 : 607,723.68 = 259,077.21 : x
  2. Step 2: Convert to fraction form
    440,400.34/607,723.68 = 259,077.21/x
  3. Step 3: Cross multiply
    440,400.34x = 607,723.68 × 259,077.21
  4. Step 4: Simplify right side
    440,400.34x = 157,447,355,465.33
  5. Step 5: Solve for x
    x = 157,447,355,465.33/440,400.34
  6. Step 6: Final answer
    x = 357,509.61

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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.