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Finding the Fourth Proportional to 675,037, 931,551.98 and 369,114.66

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Solution

The fourth proportional to 675,037, 931,551.98 and 369,114.66 is: 509,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,037 : 931,551.98 = 369,114.66 : x
  2. Step 2: Convert to fraction form
    675,037/931,551.98 = 369,114.66/x
  3. Step 3: Cross multiply
    675,037x = 931,551.98 × 369,114.66
  4. Step 4: Simplify right side
    675,037x = 343,849,492,370.03
  5. Step 5: Solve for x
    x = 343,849,492,370.03/675,037
  6. Step 6: Final answer
    x = 509,378.73

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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.