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Finding the Fourth Proportional to 838,477.92, 1,157,061.12 and 456,504

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Solution

The fourth proportional to 838,477.92, 1,157,061.12 and 456,504 is: 629,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,477.92 : 1,157,061.12 = 456,504 : x
  2. Step 2: Convert to fraction form
    838,477.92/1,157,061.12 = 456,504/x
  3. Step 3: Cross multiply
    838,477.92x = 1,157,061.12 × 456,504
  4. Step 4: Simplify right side
    838,477.92x = 528,203,029,524.48
  5. Step 5: Solve for x
    x = 528,203,029,524.48/838,477.92
  6. Step 6: Final answer
    x = 629,954.61

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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.