Home / 769,359.60-1,154,039.40-342,894.60

Finding the Fourth Proportional to 769,359.60, 1,154,039.40 and 342,894.60

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Solution

The fourth proportional to 769,359.60, 1,154,039.40 and 342,894.60 is: 514,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,359.60 : 1,154,039.40 = 342,894.60 : x
  2. Step 2: Convert to fraction form
    769,359.60/1,154,039.40 = 342,894.60/x
  3. Step 3: Cross multiply
    769,359.60x = 1,154,039.40 × 342,894.60
  4. Step 4: Simplify right side
    769,359.60x = 395,713,878,447.24
  5. Step 5: Solve for x
    x = 395,713,878,447.24/769,359.60
  6. Step 6: Final answer
    x = 514,341.90

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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.