Home / 850,527.86-1,275,348.82-401,128.07

Finding the Fourth Proportional to 850,527.86, 1,275,348.82 and 401,128.07

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Solution

The fourth proportional to 850,527.86, 1,275,348.82 and 401,128.07 is: 601,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,527.86 : 1,275,348.82 = 401,128.07 : x
  2. Step 2: Convert to fraction form
    850,527.86/1,275,348.82 = 401,128.07/x
  3. Step 3: Cross multiply
    850,527.86x = 1,275,348.82 × 401,128.07
  4. Step 4: Simplify right side
    850,527.86x = 511,578,203,363.81
  5. Step 5: Solve for x
    x = 511,578,203,363.81/850,527.86
  6. Step 6: Final answer
    x = 601,483.18

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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.