Home / 850,440.87-1,275,707.88-344,926.76

Finding the Fourth Proportional to 850,440.87, 1,275,707.88 and 344,926.76

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Solution

The fourth proportional to 850,440.87, 1,275,707.88 and 344,926.76 is: 517,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,440.87 : 1,275,707.88 = 344,926.76 : x
  2. Step 2: Convert to fraction form
    850,440.87/1,275,707.88 = 344,926.76/x
  3. Step 3: Cross multiply
    850,440.87x = 1,275,707.88 × 344,926.76
  4. Step 4: Simplify right side
    850,440.87x = 440,025,779,376.33
  5. Step 5: Solve for x
    x = 440,025,779,376.33/850,440.87
  6. Step 6: Final answer
    x = 517,409.02

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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.