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Finding the Fourth Proportional to 583,084.27, 874,745.33 and 330,477.57

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Solution

The fourth proportional to 583,084.27, 874,745.33 and 330,477.57 is: 495,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,084.27 : 874,745.33 = 330,477.57 : x
  2. Step 2: Convert to fraction form
    583,084.27/874,745.33 = 330,477.57/x
  3. Step 3: Cross multiply
    583,084.27x = 874,745.33 × 330,477.57
  4. Step 4: Simplify right side
    583,084.27x = 289,083,709,374.86
  5. Step 5: Solve for x
    x = 289,083,709,374.86/583,084.27
  6. Step 6: Final answer
    x = 495,783.75

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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.