Home / 860,519.70-1,187,496.45-468,042.57

Finding the Fourth Proportional to 860,519.70, 1,187,496.45 and 468,042.57

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Solution

The fourth proportional to 860,519.70, 1,187,496.45 and 468,042.57 is: 645,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,519.70 : 1,187,496.45 = 468,042.57 : x
  2. Step 2: Convert to fraction form
    860,519.70/1,187,496.45 = 468,042.57/x
  3. Step 3: Cross multiply
    860,519.70x = 1,187,496.45 × 468,042.57
  4. Step 4: Simplify right side
    860,519.70x = 555,798,890,323.88
  5. Step 5: Solve for x
    x = 555,798,890,323.88/860,519.70
  6. Step 6: Final answer
    x = 645,887.47

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1.5x scale

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.