Home / 877,810.60-1,211,453.22-495,907.48

Finding the Fourth Proportional to 877,810.60, 1,211,453.22 and 495,907.48

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Solution

The fourth proportional to 877,810.60, 1,211,453.22 and 495,907.48 is: 684,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,810.60 : 1,211,453.22 = 495,907.48 : x
  2. Step 2: Convert to fraction form
    877,810.60/1,211,453.22 = 495,907.48/x
  3. Step 3: Cross multiply
    877,810.60x = 1,211,453.22 × 495,907.48
  4. Step 4: Simplify right side
    877,810.60x = 600,768,713,468.09
  5. Step 5: Solve for x
    x = 600,768,713,468.09/877,810.60
  6. Step 6: Final answer
    x = 684,394.46

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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.