Home / 921,623.52-1,382,227.74-330,647.52

Finding the Fourth Proportional to 921,623.52, 1,382,227.74 and 330,647.52

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Solution

The fourth proportional to 921,623.52, 1,382,227.74 and 330,647.52 is: 495,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,623.52 : 1,382,227.74 = 330,647.52 : x
  2. Step 2: Convert to fraction form
    921,623.52/1,382,227.74 = 330,647.52/x
  3. Step 3: Cross multiply
    921,623.52x = 1,382,227.74 × 330,647.52
  4. Step 4: Simplify right side
    921,623.52x = 457,030,174,306.21
  5. Step 5: Solve for x
    x = 457,030,174,306.21/921,623.52
  6. Step 6: Final answer
    x = 495,896.82

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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.