Home / 873,669.40-1,310,504.10-518,500.60

Finding the Fourth Proportional to 873,669.40, 1,310,504.10 and 518,500.60

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Solution

The fourth proportional to 873,669.40, 1,310,504.10 and 518,500.60 is: 777,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,669.40 : 1,310,504.10 = 518,500.60 : x
  2. Step 2: Convert to fraction form
    873,669.40/1,310,504.10 = 518,500.60/x
  3. Step 3: Cross multiply
    873,669.40x = 1,310,504.10 × 518,500.60
  4. Step 4: Simplify right side
    873,669.40x = 679,497,162,152.46
  5. Step 5: Solve for x
    x = 679,497,162,152.46/873,669.40
  6. Step 6: Final answer
    x = 777,750.90

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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.