Home / 775,531.20-1,163,296.80-510,110.40

Finding the Fourth Proportional to 775,531.20, 1,163,296.80 and 510,110.40

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Solution

The fourth proportional to 775,531.20, 1,163,296.80 and 510,110.40 is: 765,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,531.20 : 1,163,296.80 = 510,110.40 : x
  2. Step 2: Convert to fraction form
    775,531.20/1,163,296.80 = 510,110.40/x
  3. Step 3: Cross multiply
    775,531.20x = 1,163,296.80 × 510,110.40
  4. Step 4: Simplify right side
    775,531.20x = 593,409,795,966.72
  5. Step 5: Solve for x
    x = 593,409,795,966.72/775,531.20
  6. Step 6: Final answer
    x = 765,165.60

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Similar ratio
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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.