Home / 856,538.02-1,284,707.67-225,501.04

Finding the Fourth Proportional to 856,538.02, 1,284,707.67 and 225,501.04

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Solution

The fourth proportional to 856,538.02, 1,284,707.67 and 225,501.04 is: 338,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,538.02 : 1,284,707.67 = 225,501.04 : x
  2. Step 2: Convert to fraction form
    856,538.02/1,284,707.67 = 225,501.04/x
  3. Step 3: Cross multiply
    856,538.02x = 1,284,707.67 × 225,501.04
  4. Step 4: Simplify right side
    856,538.02x = 289,702,915,680.98
  5. Step 5: Solve for x
    x = 289,702,915,680.98/856,538.02
  6. Step 6: Final answer
    x = 338,225.40

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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.