Home / 948,069.77-1,308,338.63-518,377.62

Finding the Fourth Proportional to 948,069.77, 1,308,338.63 and 518,377.62

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Solution

The fourth proportional to 948,069.77, 1,308,338.63 and 518,377.62 is: 715,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,069.77 : 1,308,338.63 = 518,377.62 : x
  2. Step 2: Convert to fraction form
    948,069.77/1,308,338.63 = 518,377.62/x
  3. Step 3: Cross multiply
    948,069.77x = 1,308,338.63 × 518,377.62
  4. Step 4: Simplify right side
    948,069.77x = 678,213,469,431.76
  5. Step 5: Solve for x
    x = 678,213,469,431.76/948,069.77
  6. Step 6: Final answer
    x = 715,362.41

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1.5x scale

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.