Home / 847,982.30-1,271,973.45-287,016.80

Finding the Fourth Proportional to 847,982.30, 1,271,973.45 and 287,016.80

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Solution

The fourth proportional to 847,982.30, 1,271,973.45 and 287,016.80 is: 430,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,982.30 : 1,271,973.45 = 287,016.80 : x
  2. Step 2: Convert to fraction form
    847,982.30/1,271,973.45 = 287,016.80/x
  3. Step 3: Cross multiply
    847,982.30x = 1,271,973.45 × 287,016.80
  4. Step 4: Simplify right side
    847,982.30x = 365,077,749,303.96
  5. Step 5: Solve for x
    x = 365,077,749,303.96/847,982.30
  6. Step 6: Final answer
    x = 430,525.20

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Similar ratio
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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.