Home / 768,029.20-1,152,043.80-235,632.40

Finding the Fourth Proportional to 768,029.20, 1,152,043.80 and 235,632.40

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Solution

The fourth proportional to 768,029.20, 1,152,043.80 and 235,632.40 is: 353,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,029.20 : 1,152,043.80 = 235,632.40 : x
  2. Step 2: Convert to fraction form
    768,029.20/1,152,043.80 = 235,632.40/x
  3. Step 3: Cross multiply
    768,029.20x = 1,152,043.80 × 235,632.40
  4. Step 4: Simplify right side
    768,029.20x = 271,458,845,499.12
  5. Step 5: Solve for x
    x = 271,458,845,499.12/768,029.20
  6. Step 6: Final answer
    x = 353,448.60

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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.