Home / 913,786.08-1,369,774.92-433,169.72

Finding the Fourth Proportional to 913,786.08, 1,369,774.92 and 433,169.72

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Solution

The fourth proportional to 913,786.08, 1,369,774.92 and 433,169.72 is: 649,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,786.08 : 1,369,774.92 = 433,169.72 : x
  2. Step 2: Convert to fraction form
    913,786.08/1,369,774.92 = 433,169.72/x
  3. Step 3: Cross multiply
    913,786.08x = 1,369,774.92 × 433,169.72
  4. Step 4: Simplify right side
    913,786.08x = 593,345,018,559.42
  5. Step 5: Solve for x
    x = 593,345,018,559.42/913,786.08
  6. Step 6: Final answer
    x = 649,325.95

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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.