Home / 821,674.02-1,133,902.35-459,160.32

Finding the Fourth Proportional to 821,674.02, 1,133,902.35 and 459,160.32

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Solution

The fourth proportional to 821,674.02, 1,133,902.35 and 459,160.32 is: 633,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,674.02 : 1,133,902.35 = 459,160.32 : x
  2. Step 2: Convert to fraction form
    821,674.02/1,133,902.35 = 459,160.32/x
  3. Step 3: Cross multiply
    821,674.02x = 1,133,902.35 × 459,160.32
  4. Step 4: Simplify right side
    821,674.02x = 520,642,965,874.75
  5. Step 5: Solve for x
    x = 520,642,965,874.75/821,674.02
  6. Step 6: Final answer
    x = 633,636.88

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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.