Home / 772,291.20-1,157,515.20-323,011.20

Finding the Fourth Proportional to 772,291.20, 1,157,515.20 and 323,011.20

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Solution

The fourth proportional to 772,291.20, 1,157,515.20 and 323,011.20 is: 484,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,291.20 : 1,157,515.20 = 323,011.20 : x
  2. Step 2: Convert to fraction form
    772,291.20/1,157,515.20 = 323,011.20/x
  3. Step 3: Cross multiply
    772,291.20x = 1,157,515.20 × 323,011.20
  4. Step 4: Simplify right side
    772,291.20x = 373,890,373,770.24
  5. Step 5: Solve for x
    x = 373,890,373,770.24/772,291.20
  6. Step 6: Final answer
    x = 484,131.34

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1.5x scale

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.