Home / 769,827.60-1,152,554.40-727,934.40

Finding the Fourth Proportional to 769,827.60, 1,152,554.40 and 727,934.40

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Solution

The fourth proportional to 769,827.60, 1,152,554.40 and 727,934.40 is: 1,089,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,827.60 : 1,152,554.40 = 727,934.40 : x
  2. Step 2: Convert to fraction form
    769,827.60/1,152,554.40 = 727,934.40/x
  3. Step 3: Cross multiply
    769,827.60x = 1,152,554.40 × 727,934.40
  4. Step 4: Simplify right side
    769,827.60x = 838,983,995,631.36
  5. Step 5: Solve for x
    x = 838,983,995,631.36/769,827.60
  6. Step 6: Final answer
    x = 1,089,833.61

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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.