Home / 946,640.80-1,420,767.60-386,077.60

Finding the Fourth Proportional to 946,640.80, 1,420,767.60 and 386,077.60

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Solution

The fourth proportional to 946,640.80, 1,420,767.60 and 386,077.60 is: 579,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,640.80 : 1,420,767.60 = 386,077.60 : x
  2. Step 2: Convert to fraction form
    946,640.80/1,420,767.60 = 386,077.60/x
  3. Step 3: Cross multiply
    946,640.80x = 1,420,767.60 × 386,077.60
  4. Step 4: Simplify right side
    946,640.80x = 548,526,545,165.76
  5. Step 5: Solve for x
    x = 548,526,545,165.76/946,640.80
  6. Step 6: Final answer
    x = 579,445.28

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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.