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Finding the Fourth Proportional to 770,508, 1,063,301.04 and 502,236

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Solution

The fourth proportional to 770,508, 1,063,301.04 and 502,236 is: 693,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,508 : 1,063,301.04 = 502,236 : x
  2. Step 2: Convert to fraction form
    770,508/1,063,301.04 = 502,236/x
  3. Step 3: Cross multiply
    770,508x = 1,063,301.04 × 502,236
  4. Step 4: Simplify right side
    770,508x = 534,028,061,125.44
  5. Step 5: Solve for x
    x = 534,028,061,125.44/770,508
  6. Step 6: Final answer
    x = 693,085.68

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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.