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Finding the Fourth Proportional to 429,891.52, 592,625 and 300,428.08

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Solution

The fourth proportional to 429,891.52, 592,625 and 300,428.08 is: 414,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,891.52 : 592,625 = 300,428.08 : x
  2. Step 2: Convert to fraction form
    429,891.52/592,625 = 300,428.08/x
  3. Step 3: Cross multiply
    429,891.52x = 592,625 × 300,428.08
  4. Step 4: Simplify right side
    429,891.52x = 178,041,190,910
  5. Step 5: Solve for x
    x = 178,041,190,910/429,891.52
  6. Step 6: Final answer
    x = 414,153.76

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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.