Home / 502,762.02-693,808.68-285,011.78

Finding the Fourth Proportional to 502,762.02, 693,808.68 and 285,011.78

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Solution

The fourth proportional to 502,762.02, 693,808.68 and 285,011.78 is: 393,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,762.02 : 693,808.68 = 285,011.78 : x
  2. Step 2: Convert to fraction form
    502,762.02/693,808.68 = 285,011.78/x
  3. Step 3: Cross multiply
    502,762.02x = 693,808.68 × 285,011.78
  4. Step 4: Simplify right side
    502,762.02x = 197,743,648,600.77
  5. Step 5: Solve for x
    x = 197,743,648,600.77/502,762.02
  6. Step 6: Final answer
    x = 393,314.61

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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.