Home / 887,954.96-1,225,389.01-538,994.50

Finding the Fourth Proportional to 887,954.96, 1,225,389.01 and 538,994.50

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Solution

The fourth proportional to 887,954.96, 1,225,389.01 and 538,994.50 is: 743,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,954.96 : 1,225,389.01 = 538,994.50 : x
  2. Step 2: Convert to fraction form
    887,954.96/1,225,389.01 = 538,994.50/x
  3. Step 3: Cross multiply
    887,954.96x = 1,225,389.01 × 538,994.50
  4. Step 4: Simplify right side
    887,954.96x = 660,477,940,242.91
  5. Step 5: Solve for x
    x = 660,477,940,242.91/887,954.96
  6. Step 6: Final answer
    x = 743,819.19

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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.