Home / 860,454.89-1,187,678.06-573,974.29

Finding the Fourth Proportional to 860,454.89, 1,187,678.06 and 573,974.29

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Solution

The fourth proportional to 860,454.89, 1,187,678.06 and 573,974.29 is: 792,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,454.89 : 1,187,678.06 = 573,974.29 : x
  2. Step 2: Convert to fraction form
    860,454.89/1,187,678.06 = 573,974.29/x
  3. Step 3: Cross multiply
    860,454.89x = 1,187,678.06 × 573,974.29
  4. Step 4: Simplify right side
    860,454.89x = 681,696,671,237.08
  5. Step 5: Solve for x
    x = 681,696,671,237.08/860,454.89
  6. Step 6: Final answer
    x = 792,251.49

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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.