Home / 792,137.40-1,188,206.10-286,940.40

Finding the Fourth Proportional to 792,137.40, 1,188,206.10 and 286,940.40

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Solution

The fourth proportional to 792,137.40, 1,188,206.10 and 286,940.40 is: 430,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,137.40 : 1,188,206.10 = 286,940.40 : x
  2. Step 2: Convert to fraction form
    792,137.40/1,188,206.10 = 286,940.40/x
  3. Step 3: Cross multiply
    792,137.40x = 1,188,206.10 × 286,940.40
  4. Step 4: Simplify right side
    792,137.40x = 340,944,333,616.44
  5. Step 5: Solve for x
    x = 340,944,333,616.44/792,137.40
  6. Step 6: Final answer
    x = 430,410.60

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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.