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Finding the Fourth Proportional to 632,090.86, 872,522.59 and 414,313.56

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Solution

The fourth proportional to 632,090.86, 872,522.59 and 414,313.56 is: 571,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,090.86 : 872,522.59 = 414,313.56 : x
  2. Step 2: Convert to fraction form
    632,090.86/872,522.59 = 414,313.56/x
  3. Step 3: Cross multiply
    632,090.86x = 872,522.59 × 414,313.56
  4. Step 4: Simplify right side
    632,090.86x = 361,497,943,456.33
  5. Step 5: Solve for x
    x = 361,497,943,456.33/632,090.86
  6. Step 6: Final answer
    x = 571,908.19

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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.