Home / 722,964.95-1,083,306.78-266,929.08

Finding the Fourth Proportional to 722,964.95, 1,083,306.78 and 266,929.08

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Solution

The fourth proportional to 722,964.95, 1,083,306.78 and 266,929.08 is: 399,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,964.95 : 1,083,306.78 = 266,929.08 : x
  2. Step 2: Convert to fraction form
    722,964.95/1,083,306.78 = 266,929.08/x
  3. Step 3: Cross multiply
    722,964.95x = 1,083,306.78 × 266,929.08
  4. Step 4: Simplify right side
    722,964.95x = 289,166,082,143.16
  5. Step 5: Solve for x
    x = 289,166,082,143.16/722,964.95
  6. Step 6: Final answer
    x = 399,972.48

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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.