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Finding the Fourth Proportional to 532,827.40, 735,512.16 and 328,960.73

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Solution

The fourth proportional to 532,827.40, 735,512.16 and 328,960.73 is: 454,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,827.40 : 735,512.16 = 328,960.73 : x
  2. Step 2: Convert to fraction form
    532,827.40/735,512.16 = 328,960.73/x
  3. Step 3: Cross multiply
    532,827.40x = 735,512.16 × 328,960.73
  4. Step 4: Simplify right side
    532,827.40x = 241,954,617,077.48
  5. Step 5: Solve for x
    x = 241,954,617,077.48/532,827.40
  6. Step 6: Final answer
    x = 454,095.67

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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.