Home / 492,433.07-679,537.95-277,617.76

Finding the Fourth Proportional to 492,433.07, 679,537.95 and 277,617.76

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Solution

The fourth proportional to 492,433.07, 679,537.95 and 277,617.76 is: 383,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,433.07 : 679,537.95 = 277,617.76 : x
  2. Step 2: Convert to fraction form
    492,433.07/679,537.95 = 277,617.76/x
  3. Step 3: Cross multiply
    492,433.07x = 679,537.95 × 277,617.76
  4. Step 4: Simplify right side
    492,433.07x = 188,651,804,363.41
  5. Step 5: Solve for x
    x = 188,651,804,363.41/492,433.07
  6. Step 6: Final answer
    x = 383,101.41

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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.