Home / 671,372.80-1,007,059.20-372,774.40

Finding the Fourth Proportional to 671,372.80, 1,007,059.20 and 372,774.40

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Solution

The fourth proportional to 671,372.80, 1,007,059.20 and 372,774.40 is: 559,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,372.80 : 1,007,059.20 = 372,774.40 : x
  2. Step 2: Convert to fraction form
    671,372.80/1,007,059.20 = 372,774.40/x
  3. Step 3: Cross multiply
    671,372.80x = 1,007,059.20 × 372,774.40
  4. Step 4: Simplify right side
    671,372.80x = 375,405,889,044.48
  5. Step 5: Solve for x
    x = 375,405,889,044.48/671,372.80
  6. Step 6: Final answer
    x = 559,161.60

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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.