Home / 651,077.20-975,449.40-576,427.60

Finding the Fourth Proportional to 651,077.20, 975,449.40 and 576,427.60

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Solution

The fourth proportional to 651,077.20, 975,449.40 and 576,427.60 is: 863,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,077.20 : 975,449.40 = 576,427.60 : x
  2. Step 2: Convert to fraction form
    651,077.20/975,449.40 = 576,427.60/x
  3. Step 3: Cross multiply
    651,077.20x = 975,449.40 × 576,427.60
  4. Step 4: Simplify right side
    651,077.20x = 562,275,956,563.44
  5. Step 5: Solve for x
    x = 562,275,956,563.44/651,077.20
  6. Step 6: Final answer
    x = 863,608.73

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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.