Home / 876,656.40-1,314,984.60-503,408.40

Finding the Fourth Proportional to 876,656.40, 1,314,984.60 and 503,408.40

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Solution

The fourth proportional to 876,656.40, 1,314,984.60 and 503,408.40 is: 755,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,656.40 : 1,314,984.60 = 503,408.40 : x
  2. Step 2: Convert to fraction form
    876,656.40/1,314,984.60 = 503,408.40/x
  3. Step 3: Cross multiply
    876,656.40x = 1,314,984.60 × 503,408.40
  4. Step 4: Simplify right side
    876,656.40x = 661,974,293,510.64
  5. Step 5: Solve for x
    x = 661,974,293,510.64/876,656.40
  6. Step 6: Final answer
    x = 755,112.60

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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.