Home / 818,231.09-1,128,577.25-546,161.81

Finding the Fourth Proportional to 818,231.09, 1,128,577.25 and 546,161.81

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Solution

The fourth proportional to 818,231.09, 1,128,577.25 and 546,161.81 is: 753,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,231.09 : 1,128,577.25 = 546,161.81 : x
  2. Step 2: Convert to fraction form
    818,231.09/1,128,577.25 = 546,161.81/x
  3. Step 3: Cross multiply
    818,231.09x = 1,128,577.25 × 546,161.81
  4. Step 4: Simplify right side
    818,231.09x = 616,385,789,307.34
  5. Step 5: Solve for x
    x = 616,385,789,307.34/818,231.09
  6. Step 6: Final answer
    x = 753,315.05

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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.