Home / 850,529.81-1,275,351.76-401,130.01

Finding the Fourth Proportional to 850,529.81, 1,275,351.76 and 401,130.01

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Solution

The fourth proportional to 850,529.81, 1,275,351.76 and 401,130.01 is: 601,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,529.81 : 1,275,351.76 = 401,130.01 : x
  2. Step 2: Convert to fraction form
    850,529.81/1,275,351.76 = 401,130.01/x
  3. Step 3: Cross multiply
    850,529.81x = 1,275,351.76 × 401,130.01
  4. Step 4: Simplify right side
    850,529.81x = 511,581,866,337.92
  5. Step 5: Solve for x
    x = 511,581,866,337.92/850,529.81
  6. Step 6: Final answer
    x = 601,486.11

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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.