Home / 877,882.25-1,211,575.86-495,933.64

Finding the Fourth Proportional to 877,882.25, 1,211,575.86 and 495,933.64

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Solution

The fourth proportional to 877,882.25, 1,211,575.86 and 495,933.64 is: 684,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,882.25 : 1,211,575.86 = 495,933.64 : x
  2. Step 2: Convert to fraction form
    877,882.25/1,211,575.86 = 495,933.64/x
  3. Step 3: Cross multiply
    877,882.25x = 1,211,575.86 × 495,933.64
  4. Step 4: Simplify right side
    877,882.25x = 600,861,223,356.99
  5. Step 5: Solve for x
    x = 600,861,223,356.99/877,882.25
  6. Step 6: Final answer
    x = 684,443.98

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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.