Home / 821,327.83-1,133,420.37-458,756.93

Finding the Fourth Proportional to 821,327.83, 1,133,420.37 and 458,756.93

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Solution

The fourth proportional to 821,327.83, 1,133,420.37 and 458,756.93 is: 633,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,327.83 : 1,133,420.37 = 458,756.93 : x
  2. Step 2: Convert to fraction form
    821,327.83/1,133,420.37 = 458,756.93/x
  3. Step 3: Cross multiply
    821,327.83x = 1,133,420.37 × 458,756.93
  4. Step 4: Simplify right side
    821,327.83x = 519,964,449,340.66
  5. Step 5: Solve for x
    x = 519,964,449,340.66/821,327.83
  6. Step 6: Final answer
    x = 633,077.84

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1.5x scale

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.