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Finding the Fourth Proportional to 502,045.10, 753,650.85 and 302,590.70

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Solution

The fourth proportional to 502,045.10, 753,650.85 and 302,590.70 is: 454,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,045.10 : 753,650.85 = 302,590.70 : x
  2. Step 2: Convert to fraction form
    502,045.10/753,650.85 = 302,590.70/x
  3. Step 3: Cross multiply
    502,045.10x = 753,650.85 × 302,590.70
  4. Step 4: Simplify right side
    502,045.10x = 228,047,738,257.10
  5. Step 5: Solve for x
    x = 228,047,738,257.10/502,045.10
  6. Step 6: Final answer
    x = 454,237.55

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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.