Home / 873,722.40-1,310,583.60-518,553.60

Finding the Fourth Proportional to 873,722.40, 1,310,583.60 and 518,553.60

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Solution

The fourth proportional to 873,722.40, 1,310,583.60 and 518,553.60 is: 777,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,722.40 : 1,310,583.60 = 518,553.60 : x
  2. Step 2: Convert to fraction form
    873,722.40/1,310,583.60 = 518,553.60/x
  3. Step 3: Cross multiply
    873,722.40x = 1,310,583.60 × 518,553.60
  4. Step 4: Simplify right side
    873,722.40x = 679,607,843,880.96
  5. Step 5: Solve for x
    x = 679,607,843,880.96/873,722.40
  6. Step 6: Final answer
    x = 777,830.40

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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.