Home / 909,245.82-1,254,701.22-501,350.28

Finding the Fourth Proportional to 909,245.82, 1,254,701.22 and 501,350.28

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Solution

The fourth proportional to 909,245.82, 1,254,701.22 and 501,350.28 is: 691,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,245.82 : 1,254,701.22 = 501,350.28 : x
  2. Step 2: Convert to fraction form
    909,245.82/1,254,701.22 = 501,350.28/x
  3. Step 3: Cross multiply
    909,245.82x = 1,254,701.22 × 501,350.28
  4. Step 4: Simplify right side
    909,245.82x = 629,044,807,963.34
  5. Step 5: Solve for x
    x = 629,044,807,963.34/909,245.82
  6. Step 6: Final answer
    x = 691,831.40

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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.