Home / 742,801.60-1,114,072.80-269,243.20

Finding the Fourth Proportional to 742,801.60, 1,114,072.80 and 269,243.20

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Solution

The fourth proportional to 742,801.60, 1,114,072.80 and 269,243.20 is: 403,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,801.60 : 1,114,072.80 = 269,243.20 : x
  2. Step 2: Convert to fraction form
    742,801.60/1,114,072.80 = 269,243.20/x
  3. Step 3: Cross multiply
    742,801.60x = 1,114,072.80 × 269,243.20
  4. Step 4: Simplify right side
    742,801.60x = 299,956,525,704.96
  5. Step 5: Solve for x
    x = 299,956,525,704.96/742,801.60
  6. Step 6: Final answer
    x = 403,817.82

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1.5x scale

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.