Home / 860,628.18-1,288,418.72-603,569.82

Finding the Fourth Proportional to 860,628.18, 1,288,418.72 and 603,569.82

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Solution

The fourth proportional to 860,628.18, 1,288,418.72 and 603,569.82 is: 903,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,628.18 : 1,288,418.72 = 603,569.82 : x
  2. Step 2: Convert to fraction form
    860,628.18/1,288,418.72 = 603,569.82/x
  3. Step 3: Cross multiply
    860,628.18x = 1,288,418.72 × 603,569.82
  4. Step 4: Simplify right side
    860,628.18x = 777,650,651,897.18
  5. Step 5: Solve for x
    x = 777,650,651,897.18/860,628.18
  6. Step 6: Final answer
    x = 903,584.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.