Home / 742,166.84-1,024,190.61-402,635

Finding the Fourth Proportional to 742,166.84, 1,024,190.61 and 402,635

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Solution

The fourth proportional to 742,166.84, 1,024,190.61 and 402,635 is: 555,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,166.84 : 1,024,190.61 = 402,635 : x
  2. Step 2: Convert to fraction form
    742,166.84/1,024,190.61 = 402,635/x
  3. Step 3: Cross multiply
    742,166.84x = 1,024,190.61 × 402,635
  4. Step 4: Simplify right side
    742,166.84x = 412,374,986,257.35
  5. Step 5: Solve for x
    x = 412,374,986,257.35/742,166.84
  6. Step 6: Final answer
    x = 555,636.50

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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.