Home / 837,402.13-1,256,103.20-364,087.50

Finding the Fourth Proportional to 837,402.13, 1,256,103.20 and 364,087.50

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Solution

The fourth proportional to 837,402.13, 1,256,103.20 and 364,087.50 is: 546,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,402.13 : 1,256,103.20 = 364,087.50 : x
  2. Step 2: Convert to fraction form
    837,402.13/1,256,103.20 = 364,087.50/x
  3. Step 3: Cross multiply
    837,402.13x = 1,256,103.20 × 364,087.50
  4. Step 4: Simplify right side
    837,402.13x = 457,331,473,830
  5. Step 5: Solve for x
    x = 457,331,473,830/837,402.13
  6. Step 6: Final answer
    x = 546,131.25

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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.