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Finding the Fourth Proportional to 601,935.84, 830,666.88 and 330,000.48

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Solution

The fourth proportional to 601,935.84, 830,666.88 and 330,000.48 is: 455,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,935.84 : 830,666.88 = 330,000.48 : x
  2. Step 2: Convert to fraction form
    601,935.84/830,666.88 = 330,000.48/x
  3. Step 3: Cross multiply
    601,935.84x = 830,666.88 × 330,000.48
  4. Step 4: Simplify right side
    601,935.84x = 274,120,469,120.10
  5. Step 5: Solve for x
    x = 274,120,469,120.10/601,935.84
  6. Step 6: Final answer
    x = 455,398.15

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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.