Home / 876,072.88-1,209,527.88-671,731.04

Finding the Fourth Proportional to 876,072.88, 1,209,527.88 and 671,731.04

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Solution

The fourth proportional to 876,072.88, 1,209,527.88 and 671,731.04 is: 927,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,072.88 : 1,209,527.88 = 671,731.04 : x
  2. Step 2: Convert to fraction form
    876,072.88/1,209,527.88 = 671,731.04/x
  3. Step 3: Cross multiply
    876,072.88x = 1,209,527.88 × 671,731.04
  4. Step 4: Simplify right side
    876,072.88x = 812,477,420,741.40
  5. Step 5: Solve for x
    x = 812,477,420,741.40/876,072.88
  6. Step 6: Final answer
    x = 927,408.48

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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.