Home / 821,862.32-1,133,435.76-515,967.24

Finding the Fourth Proportional to 821,862.32, 1,133,435.76 and 515,967.24

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Solution

The fourth proportional to 821,862.32, 1,133,435.76 and 515,967.24 is: 711,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,862.32 : 1,133,435.76 = 515,967.24 : x
  2. Step 2: Convert to fraction form
    821,862.32/1,133,435.76 = 515,967.24/x
  3. Step 3: Cross multiply
    821,862.32x = 1,133,435.76 × 515,967.24
  4. Step 4: Simplify right side
    821,862.32x = 584,815,720,804.50
  5. Step 5: Solve for x
    x = 584,815,720,804.50/821,862.32
  6. Step 6: Final answer
    x = 711,573.83

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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.