Home / 507,112.65-699,815.50-277,684.40

Finding the Fourth Proportional to 507,112.65, 699,815.50 and 277,684.40

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Solution

The fourth proportional to 507,112.65, 699,815.50 and 277,684.40 is: 383,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,112.65 : 699,815.50 = 277,684.40 : x
  2. Step 2: Convert to fraction form
    507,112.65/699,815.50 = 277,684.40/x
  3. Step 3: Cross multiply
    507,112.65x = 699,815.50 × 277,684.40
  4. Step 4: Simplify right side
    507,112.65x = 194,327,848,283.53
  5. Step 5: Solve for x
    x = 194,327,848,283.53/507,112.65
  6. Step 6: Final answer
    x = 383,204.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.