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Finding the Fourth Proportional to 502,730.40, 753,658.20 and 302,838.60

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Solution

The fourth proportional to 502,730.40, 753,658.20 and 302,838.60 is: 453,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,730.40 : 753,658.20 = 302,838.60 : x
  2. Step 2: Convert to fraction form
    502,730.40/753,658.20 = 302,838.60/x
  3. Step 3: Cross multiply
    502,730.40x = 753,658.20 × 302,838.60
  4. Step 4: Simplify right side
    502,730.40x = 228,236,794,166.52
  5. Step 5: Solve for x
    x = 228,236,794,166.52/502,730.40
  6. Step 6: Final answer
    x = 453,994.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.