Home / 742,821.06-1,113,907.11-262,889.35

Finding the Fourth Proportional to 742,821.06, 1,113,907.11 and 262,889.35

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Solution

The fourth proportional to 742,821.06, 1,113,907.11 and 262,889.35 is: 394,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,821.06 : 1,113,907.11 = 262,889.35 : x
  2. Step 2: Convert to fraction form
    742,821.06/1,113,907.11 = 262,889.35/x
  3. Step 3: Cross multiply
    742,821.06x = 1,113,907.11 × 262,889.35
  4. Step 4: Simplify right side
    742,821.06x = 292,834,314,555.81
  5. Step 5: Solve for x
    x = 292,834,314,555.81/742,821.06
  6. Step 6: Final answer
    x = 394,219.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.