Home / 821,314.76-1,133,402.42-458,743.77

Finding the Fourth Proportional to 821,314.76, 1,133,402.42 and 458,743.77

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Solution

The fourth proportional to 821,314.76, 1,133,402.42 and 458,743.77 is: 633,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,314.76 : 1,133,402.42 = 458,743.77 : x
  2. Step 2: Convert to fraction form
    821,314.76/1,133,402.42 = 458,743.77/x
  3. Step 3: Cross multiply
    821,314.76x = 1,133,402.42 × 458,743.77
  4. Step 4: Simplify right side
    821,314.76x = 519,941,300,224.78
  5. Step 5: Solve for x
    x = 519,941,300,224.78/821,314.76
  6. Step 6: Final answer
    x = 633,059.73

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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.