Home / 718,983.49-1,078,475.60-245,673.49

Finding the Fourth Proportional to 718,983.49, 1,078,475.60 and 245,673.49

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Solution

The fourth proportional to 718,983.49, 1,078,475.60 and 245,673.49 is: 368,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,983.49 : 1,078,475.60 = 245,673.49 : x
  2. Step 2: Convert to fraction form
    718,983.49/1,078,475.60 = 245,673.49/x
  3. Step 3: Cross multiply
    718,983.49x = 1,078,475.60 × 245,673.49
  4. Step 4: Simplify right side
    718,983.49x = 264,952,864,531.84
  5. Step 5: Solve for x
    x = 264,952,864,531.84/718,983.49
  6. Step 6: Final answer
    x = 368,510.36

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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.