Home / 722,630.72-1,083,555.12-573,828.32

Finding the Fourth Proportional to 722,630.72, 1,083,555.12 and 573,828.32

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Solution

The fourth proportional to 722,630.72, 1,083,555.12 and 573,828.32 is: 860,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,630.72 : 1,083,555.12 = 573,828.32 : x
  2. Step 2: Convert to fraction form
    722,630.72/1,083,555.12 = 573,828.32/x
  3. Step 3: Cross multiply
    722,630.72x = 1,083,555.12 × 573,828.32
  4. Step 4: Simplify right side
    722,630.72x = 621,774,614,137.00
  5. Step 5: Solve for x
    x = 621,774,614,137.00/722,630.72
  6. Step 6: Final answer
    x = 860,432.03

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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.