Home / 818,932.78-1,130,111.76-446,398.96

Finding the Fourth Proportional to 818,932.78, 1,130,111.76 and 446,398.96

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Solution

The fourth proportional to 818,932.78, 1,130,111.76 and 446,398.96 is: 616,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,932.78 : 1,130,111.76 = 446,398.96 : x
  2. Step 2: Convert to fraction form
    818,932.78/1,130,111.76 = 446,398.96/x
  3. Step 3: Cross multiply
    818,932.78x = 1,130,111.76 × 446,398.96
  4. Step 4: Simplify right side
    818,932.78x = 504,480,714,347.77
  5. Step 5: Solve for x
    x = 504,480,714,347.77/818,932.78
  6. Step 6: Final answer
    x = 616,022.13

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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.