Home / 740,783.47-1,112,651.43-699,004.48

Finding the Fourth Proportional to 740,783.47, 1,112,651.43 and 699,004.48

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Solution

The fourth proportional to 740,783.47, 1,112,651.43 and 699,004.48 is: 1,049,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,783.47 : 1,112,651.43 = 699,004.48 : x
  2. Step 2: Convert to fraction form
    740,783.47/1,112,651.43 = 699,004.48/x
  3. Step 3: Cross multiply
    740,783.47x = 1,112,651.43 × 699,004.48
  4. Step 4: Simplify right side
    740,783.47x = 777,748,334,248.41
  5. Step 5: Solve for x
    x = 777,748,334,248.41/740,783.47
  6. Step 6: Final answer
    x = 1,049,899.69

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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.