Home / 877,135.96-1,210,380.06-495,200.44

Finding the Fourth Proportional to 877,135.96, 1,210,380.06 and 495,200.44

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Solution

The fourth proportional to 877,135.96, 1,210,380.06 and 495,200.44 is: 683,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,135.96 : 1,210,380.06 = 495,200.44 : x
  2. Step 2: Convert to fraction form
    877,135.96/1,210,380.06 = 495,200.44/x
  3. Step 3: Cross multiply
    877,135.96x = 1,210,380.06 × 495,200.44
  4. Step 4: Simplify right side
    877,135.96x = 599,380,738,279.23
  5. Step 5: Solve for x
    x = 599,380,738,279.23/877,135.96
  6. Step 6: Final answer
    x = 683,338.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.