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Finding the Fourth Proportional to 602,154.43, 830,896.73 and 330,150.75

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Solution

The fourth proportional to 602,154.43, 830,896.73 and 330,150.75 is: 455,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,154.43 : 830,896.73 = 330,150.75 : x
  2. Step 2: Convert to fraction form
    602,154.43/830,896.73 = 330,150.75/x
  3. Step 3: Cross multiply
    602,154.43x = 830,896.73 × 330,150.75
  4. Step 4: Simplify right side
    602,154.43x = 274,321,178,582.05
  5. Step 5: Solve for x
    x = 274,321,178,582.05/602,154.43
  6. Step 6: Final answer
    x = 455,566.16

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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.