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Finding the Fourth Proportional to 407,645.46, 562,602.60 and 246,501.60

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Solution

The fourth proportional to 407,645.46, 562,602.60 and 246,501.60 is: 340,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,645.46 : 562,602.60 = 246,501.60 : x
  2. Step 2: Convert to fraction form
    407,645.46/562,602.60 = 246,501.60/x
  3. Step 3: Cross multiply
    407,645.46x = 562,602.60 × 246,501.60
  4. Step 4: Simplify right side
    407,645.46x = 138,682,441,064.16
  5. Step 5: Solve for x
    x = 138,682,441,064.16/407,645.46
  6. Step 6: Final answer
    x = 340,203.57

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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.