Home / 877,627.64-1,211,150.04-495,711.20

Finding the Fourth Proportional to 877,627.64, 1,211,150.04 and 495,711.20

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Solution

The fourth proportional to 877,627.64, 1,211,150.04 and 495,711.20 is: 684,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,627.64 : 1,211,150.04 = 495,711.20 : x
  2. Step 2: Convert to fraction form
    877,627.64/1,211,150.04 = 495,711.20/x
  3. Step 3: Cross multiply
    877,627.64x = 1,211,150.04 × 495,711.20
  4. Step 4: Simplify right side
    877,627.64x = 600,380,639,708.45
  5. Step 5: Solve for x
    x = 600,380,639,708.45/877,627.64
  6. Step 6: Final answer
    x = 684,094.95

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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.