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Finding the Fourth Proportional to 602,682.28, 832,261.71 and 388,191.04

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Solution

The fourth proportional to 602,682.28, 832,261.71 and 388,191.04 is: 536,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,682.28 : 832,261.71 = 388,191.04 : x
  2. Step 2: Convert to fraction form
    602,682.28/832,261.71 = 388,191.04/x
  3. Step 3: Cross multiply
    602,682.28x = 832,261.71 × 388,191.04
  4. Step 4: Simplify right side
    602,682.28x = 323,076,538,757.08
  5. Step 5: Solve for x
    x = 323,076,538,757.08/602,682.28
  6. Step 6: Final answer
    x = 536,064.44

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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.