Home / 759,400.21-1,138,768.17-360,155.16

Finding the Fourth Proportional to 759,400.21, 1,138,768.17 and 360,155.16

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Solution

The fourth proportional to 759,400.21, 1,138,768.17 and 360,155.16 is: 540,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,400.21 : 1,138,768.17 = 360,155.16 : x
  2. Step 2: Convert to fraction form
    759,400.21/1,138,768.17 = 360,155.16/x
  3. Step 3: Cross multiply
    759,400.21x = 1,138,768.17 × 360,155.16
  4. Step 4: Simplify right side
    759,400.21x = 410,133,231,118.68
  5. Step 5: Solve for x
    x = 410,133,231,118.68/759,400.21
  6. Step 6: Final answer
    x = 540,075.21

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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.