Home / 821,836.16-1,134,130.62-459,259.92

Finding the Fourth Proportional to 821,836.16, 1,134,130.62 and 459,259.92

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Solution

The fourth proportional to 821,836.16, 1,134,130.62 and 459,259.92 is: 633,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,836.16 : 1,134,130.62 = 459,259.92 : x
  2. Step 2: Convert to fraction form
    821,836.16/1,134,130.62 = 459,259.92/x
  3. Step 3: Cross multiply
    821,836.16x = 1,134,130.62 × 459,259.92
  4. Step 4: Simplify right side
    821,836.16x = 520,860,735,022.02
  5. Step 5: Solve for x
    x = 520,860,735,022.02/821,836.16
  6. Step 6: Final answer
    x = 633,776.86

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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.