Home / 763,542.81-1,143,570.06-364,464.54

Finding the Fourth Proportional to 763,542.81, 1,143,570.06 and 364,464.54

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Solution

The fourth proportional to 763,542.81, 1,143,570.06 and 364,464.54 is: 545,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,542.81 : 1,143,570.06 = 364,464.54 : x
  2. Step 2: Convert to fraction form
    763,542.81/1,143,570.06 = 364,464.54/x
  3. Step 3: Cross multiply
    763,542.81x = 1,143,570.06 × 364,464.54
  4. Step 4: Simplify right side
    763,542.81x = 416,790,735,875.67
  5. Step 5: Solve for x
    x = 416,790,735,875.67/763,542.81
  6. Step 6: Final answer
    x = 545,864.27

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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.