Home / 750,015.70-1,035,024.41-405,851.63

Finding the Fourth Proportional to 750,015.70, 1,035,024.41 and 405,851.63

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Solution

The fourth proportional to 750,015.70, 1,035,024.41 and 405,851.63 is: 560,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,015.70 : 1,035,024.41 = 405,851.63 : x
  2. Step 2: Convert to fraction form
    750,015.70/1,035,024.41 = 405,851.63/x
  3. Step 3: Cross multiply
    750,015.70x = 1,035,024.41 × 405,851.63
  4. Step 4: Simplify right side
    750,015.70x = 420,066,343,266.89
  5. Step 5: Solve for x
    x = 420,066,343,266.89/750,015.70
  6. Step 6: Final answer
    x = 560,076.74

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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.