Home / 575,779.02-863,779.22-220,765.35

Finding the Fourth Proportional to 575,779.02, 863,779.22 and 220,765.35

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Solution

The fourth proportional to 575,779.02, 863,779.22 and 220,765.35 is: 331,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,779.02 : 863,779.22 = 220,765.35 : x
  2. Step 2: Convert to fraction form
    575,779.02/863,779.22 = 220,765.35/x
  3. Step 3: Cross multiply
    575,779.02x = 863,779.22 × 220,765.35
  4. Step 4: Simplify right side
    575,779.02x = 190,692,521,826.03
  5. Step 5: Solve for x
    x = 190,692,521,826.03/575,779.02
  6. Step 6: Final answer
    x = 331,190.47

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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.