Home / 905,802.12-1,359,075.78-400,096.44

Finding the Fourth Proportional to 905,802.12, 1,359,075.78 and 400,096.44

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Solution

The fourth proportional to 905,802.12, 1,359,075.78 and 400,096.44 is: 600,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,802.12 : 1,359,075.78 = 400,096.44 : x
  2. Step 2: Convert to fraction form
    905,802.12/1,359,075.78 = 400,096.44/x
  3. Step 3: Cross multiply
    905,802.12x = 1,359,075.78 × 400,096.44
  4. Step 4: Simplify right side
    905,802.12x = 543,761,381,268.22
  5. Step 5: Solve for x
    x = 543,761,381,268.22/905,802.12
  6. Step 6: Final answer
    x = 600,309.24

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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.