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Finding the Fourth Proportional to 585,037, 807,351.06 and 316,765

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Solution

The fourth proportional to 585,037, 807,351.06 and 316,765 is: 437,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,037 : 807,351.06 = 316,765 : x
  2. Step 2: Convert to fraction form
    585,037/807,351.06 = 316,765/x
  3. Step 3: Cross multiply
    585,037x = 807,351.06 × 316,765
  4. Step 4: Simplify right side
    585,037x = 255,740,558,520.90
  5. Step 5: Solve for x
    x = 255,740,558,520.90/585,037
  6. Step 6: Final answer
    x = 437,135.70

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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.