Home / 389,315.16-583,914.42-323,180.28

Finding the Fourth Proportional to 389,315.16, 583,914.42 and 323,180.28

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Solution

The fourth proportional to 389,315.16, 583,914.42 and 323,180.28 is: 484,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,315.16 : 583,914.42 = 323,180.28 : x
  2. Step 2: Convert to fraction form
    389,315.16/583,914.42 = 323,180.28/x
  3. Step 3: Cross multiply
    389,315.16x = 583,914.42 × 323,180.28
  4. Step 4: Simplify right side
    389,315.16x = 188,709,625,751.64
  5. Step 5: Solve for x
    x = 188,709,625,751.64/389,315.16
  6. Step 6: Final answer
    x = 484,722.01

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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.