Home / 756,038.54-1,134,206.84-216,299.90

Finding the Fourth Proportional to 756,038.54, 1,134,206.84 and 216,299.90

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Solution

The fourth proportional to 756,038.54, 1,134,206.84 and 216,299.90 is: 324,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,038.54 : 1,134,206.84 = 216,299.90 : x
  2. Step 2: Convert to fraction form
    756,038.54/1,134,206.84 = 216,299.90/x
  3. Step 3: Cross multiply
    756,038.54x = 1,134,206.84 × 216,299.90
  4. Step 4: Simplify right side
    756,038.54x = 245,328,820,941.03
  5. Step 5: Solve for x
    x = 245,328,820,941.03/756,038.54
  6. Step 6: Final answer
    x = 324,492.48

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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.