Home / 809,227.20-1,213,840.80-510,045.60

Finding the Fourth Proportional to 809,227.20, 1,213,840.80 and 510,045.60

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Solution

The fourth proportional to 809,227.20, 1,213,840.80 and 510,045.60 is: 765,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,227.20 : 1,213,840.80 = 510,045.60 : x
  2. Step 2: Convert to fraction form
    809,227.20/1,213,840.80 = 510,045.60/x
  3. Step 3: Cross multiply
    809,227.20x = 1,213,840.80 × 510,045.60
  4. Step 4: Simplify right side
    809,227.20x = 619,114,159,140.48
  5. Step 5: Solve for x
    x = 619,114,159,140.48/809,227.20
  6. Step 6: Final answer
    x = 765,068.40

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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.