Home / 855,706.34-1,180,829.79-468,447.57

Finding the Fourth Proportional to 855,706.34, 1,180,829.79 and 468,447.57

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Solution

The fourth proportional to 855,706.34, 1,180,829.79 and 468,447.57 is: 646,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,706.34 : 1,180,829.79 = 468,447.57 : x
  2. Step 2: Convert to fraction form
    855,706.34/1,180,829.79 = 468,447.57/x
  3. Step 3: Cross multiply
    855,706.34x = 1,180,829.79 × 468,447.57
  4. Step 4: Simplify right side
    855,706.34x = 553,156,845,709.11
  5. Step 5: Solve for x
    x = 553,156,845,709.11/855,706.34
  6. Step 6: Final answer
    x = 646,433.03

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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.