Home / 718,979.49-1,078,469.60-245,669.49

Finding the Fourth Proportional to 718,979.49, 1,078,469.60 and 245,669.49

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Solution

The fourth proportional to 718,979.49, 1,078,469.60 and 245,669.49 is: 368,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,979.49 : 1,078,469.60 = 245,669.49 : x
  2. Step 2: Convert to fraction form
    718,979.49/1,078,469.60 = 245,669.49/x
  3. Step 3: Cross multiply
    718,979.49x = 1,078,469.60 × 245,669.49
  4. Step 4: Simplify right side
    718,979.49x = 264,947,075,384.16
  5. Step 5: Solve for x
    x = 264,947,075,384.16/718,979.49
  6. Step 6: Final answer
    x = 368,504.36

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Double scale
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Similar ratio
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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.