Home / 719,575.38-1,079,681.40-377,938.44

Finding the Fourth Proportional to 719,575.38, 1,079,681.40 and 377,938.44

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Solution

The fourth proportional to 719,575.38, 1,079,681.40 and 377,938.44 is: 567,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,575.38 : 1,079,681.40 = 377,938.44 : x
  2. Step 2: Convert to fraction form
    719,575.38/1,079,681.40 = 377,938.44/x
  3. Step 3: Cross multiply
    719,575.38x = 1,079,681.40 × 377,938.44
  4. Step 4: Simplify right side
    719,575.38x = 408,053,104,013.02
  5. Step 5: Solve for x
    x = 408,053,104,013.02/719,575.38
  6. Step 6: Final answer
    x = 567,074.85

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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.