Home / 856,646.66-1,284,973.02-216,950.22

Finding the Fourth Proportional to 856,646.66, 1,284,973.02 and 216,950.22

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Solution

The fourth proportional to 856,646.66, 1,284,973.02 and 216,950.22 is: 325,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,646.66 : 1,284,973.02 = 216,950.22 : x
  2. Step 2: Convert to fraction form
    856,646.66/1,284,973.02 = 216,950.22/x
  3. Step 3: Cross multiply
    856,646.66x = 1,284,973.02 × 216,950.22
  4. Step 4: Simplify right side
    856,646.66x = 278,775,179,383.06
  5. Step 5: Solve for x
    x = 278,775,179,383.06/856,646.66
  6. Step 6: Final answer
    x = 325,426.10

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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.