Home / 537,975.40-806,963.10-488,986.60

Finding the Fourth Proportional to 537,975.40, 806,963.10 and 488,986.60

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Solution

The fourth proportional to 537,975.40, 806,963.10 and 488,986.60 is: 733,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,975.40 : 806,963.10 = 488,986.60 : x
  2. Step 2: Convert to fraction form
    537,975.40/806,963.10 = 488,986.60/x
  3. Step 3: Cross multiply
    537,975.40x = 806,963.10 × 488,986.60
  4. Step 4: Simplify right side
    537,975.40x = 394,594,142,594.46
  5. Step 5: Solve for x
    x = 394,594,142,594.46/537,975.40
  6. Step 6: Final answer
    x = 733,479.90

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Double scale
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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.