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Finding the Fourth Proportional to 984,706, 1,477,059.45 and 310,855.57

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Solution

The fourth proportional to 984,706, 1,477,059.45 and 310,855.57 is: 466,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,706 : 1,477,059.45 = 310,855.57 : x
  2. Step 2: Convert to fraction form
    984,706/1,477,059.45 = 310,855.57/x
  3. Step 3: Cross multiply
    984,706x = 1,477,059.45 × 310,855.57
  4. Step 4: Simplify right side
    984,706x = 459,152,157,253.64
  5. Step 5: Solve for x
    x = 459,152,157,253.64/984,706
  6. Step 6: Final answer
    x = 466,283.50

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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.