Home / 718,980.49-1,078,471.10-245,670.49

Finding the Fourth Proportional to 718,980.49, 1,078,471.10 and 245,670.49

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Solution

The fourth proportional to 718,980.49, 1,078,471.10 and 245,670.49 is: 368,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,980.49 : 1,078,471.10 = 245,670.49 : x
  2. Step 2: Convert to fraction form
    718,980.49/1,078,471.10 = 245,670.49/x
  3. Step 3: Cross multiply
    718,980.49x = 1,078,471.10 × 245,670.49
  4. Step 4: Simplify right side
    718,980.49x = 264,948,523,587.84
  5. Step 5: Solve for x
    x = 264,948,523,587.84/718,980.49
  6. Step 6: Final answer
    x = 368,505.86

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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.