Home / 837,455.40-1,255,677.39-375,749.10

Finding the Fourth Proportional to 837,455.40, 1,255,677.39 and 375,749.10

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Solution

The fourth proportional to 837,455.40, 1,255,677.39 and 375,749.10 is: 563,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,455.40 : 1,255,677.39 = 375,749.10 : x
  2. Step 2: Convert to fraction form
    837,455.40/1,255,677.39 = 375,749.10/x
  3. Step 3: Cross multiply
    837,455.40x = 1,255,677.39 × 375,749.10
  4. Step 4: Simplify right side
    837,455.40x = 471,819,649,182.85
  5. Step 5: Solve for x
    x = 471,819,649,182.85/837,455.40
  6. Step 6: Final answer
    x = 563,396.75

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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.