Home / 632,412.42-872,484.03-402,928.62

Finding the Fourth Proportional to 632,412.42, 872,484.03 and 402,928.62

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Solution

The fourth proportional to 632,412.42, 872,484.03 and 402,928.62 is: 555,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,412.42 : 872,484.03 = 402,928.62 : x
  2. Step 2: Convert to fraction form
    632,412.42/872,484.03 = 402,928.62/x
  3. Step 3: Cross multiply
    632,412.42x = 872,484.03 × 402,928.62
  4. Step 4: Simplify right side
    632,412.42x = 351,548,786,179.94
  5. Step 5: Solve for x
    x = 351,548,786,179.94/632,412.42
  6. Step 6: Final answer
    x = 555,885.33

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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.