Home / 850,455.37-1,275,729.63-344,941.30

Finding the Fourth Proportional to 850,455.37, 1,275,729.63 and 344,941.30

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Solution

The fourth proportional to 850,455.37, 1,275,729.63 and 344,941.30 is: 517,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,455.37 : 1,275,729.63 = 344,941.30 : x
  2. Step 2: Convert to fraction form
    850,455.37/1,275,729.63 = 344,941.30/x
  3. Step 3: Cross multiply
    850,455.37x = 1,275,729.63 × 344,941.30
  4. Step 4: Simplify right side
    850,455.37x = 440,051,837,020.72
  5. Step 5: Solve for x
    x = 440,051,837,020.72/850,455.37
  6. Step 6: Final answer
    x = 517,430.84

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1.5x scale

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.