Home / 755,101.47-1,041,857.74-445,016.80

Finding the Fourth Proportional to 755,101.47, 1,041,857.74 and 445,016.80

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Solution

The fourth proportional to 755,101.47, 1,041,857.74 and 445,016.80 is: 614,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,101.47 : 1,041,857.74 = 445,016.80 : x
  2. Step 2: Convert to fraction form
    755,101.47/1,041,857.74 = 445,016.80/x
  3. Step 3: Cross multiply
    755,101.47x = 1,041,857.74 × 445,016.80
  4. Step 4: Simplify right side
    755,101.47x = 463,644,199,368.63
  5. Step 5: Solve for x
    x = 463,644,199,368.63/755,101.47
  6. Step 6: Final answer
    x = 614,015.76

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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.