Home / 721,462.08-1,082,340.72-248,085.94

Finding the Fourth Proportional to 721,462.08, 1,082,340.72 and 248,085.94

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Solution

The fourth proportional to 721,462.08, 1,082,340.72 and 248,085.94 is: 372,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,462.08 : 1,082,340.72 = 248,085.94 : x
  2. Step 2: Convert to fraction form
    721,462.08/1,082,340.72 = 248,085.94/x
  3. Step 3: Cross multiply
    721,462.08x = 1,082,340.72 × 248,085.94
  4. Step 4: Simplify right side
    721,462.08x = 268,513,514,921.48
  5. Step 5: Solve for x
    x = 268,513,514,921.48/721,462.08
  6. Step 6: Final answer
    x = 372,179.66

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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.