Home / 789,803.65-1,184,479.48-257,371.21

Finding the Fourth Proportional to 789,803.65, 1,184,479.48 and 257,371.21

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Solution

The fourth proportional to 789,803.65, 1,184,479.48 and 257,371.21 is: 385,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,803.65 : 1,184,479.48 = 257,371.21 : x
  2. Step 2: Convert to fraction form
    789,803.65/1,184,479.48 = 257,371.21/x
  3. Step 3: Cross multiply
    789,803.65x = 1,184,479.48 × 257,371.21
  4. Step 4: Simplify right side
    789,803.65x = 304,850,918,790.08
  5. Step 5: Solve for x
    x = 304,850,918,790.08/789,803.65
  6. Step 6: Final answer
    x = 385,983.17

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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.