Home / 948,420.60-1,422,630.90-416,196.60

Finding the Fourth Proportional to 948,420.60, 1,422,630.90 and 416,196.60

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Solution

The fourth proportional to 948,420.60, 1,422,630.90 and 416,196.60 is: 624,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,420.60 : 1,422,630.90 = 416,196.60 : x
  2. Step 2: Convert to fraction form
    948,420.60/1,422,630.90 = 416,196.60/x
  3. Step 3: Cross multiply
    948,420.60x = 1,422,630.90 × 416,196.60
  4. Step 4: Simplify right side
    948,420.60x = 592,094,143,634.94
  5. Step 5: Solve for x
    x = 592,094,143,634.94/948,420.60
  6. Step 6: Final answer
    x = 624,294.90

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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.