Home / 860,622.13-1,289,752.21-544,513.15

Finding the Fourth Proportional to 860,622.13, 1,289,752.21 and 544,513.15

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Solution

The fourth proportional to 860,622.13, 1,289,752.21 and 544,513.15 is: 816,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,622.13 : 1,289,752.21 = 544,513.15 : x
  2. Step 2: Convert to fraction form
    860,622.13/1,289,752.21 = 544,513.15/x
  3. Step 3: Cross multiply
    860,622.13x = 1,289,752.21 × 544,513.15
  4. Step 4: Simplify right side
    860,622.13x = 702,287,037,816.51
  5. Step 5: Solve for x
    x = 702,287,037,816.51/860,622.13
  6. Step 6: Final answer
    x = 816,022.52

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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.