Home / 755,766.81-1,042,881.03-465,332.31

Finding the Fourth Proportional to 755,766.81, 1,042,881.03 and 465,332.31

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Solution

The fourth proportional to 755,766.81, 1,042,881.03 and 465,332.31 is: 642,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,766.81 : 1,042,881.03 = 465,332.31 : x
  2. Step 2: Convert to fraction form
    755,766.81/1,042,881.03 = 465,332.31/x
  3. Step 3: Cross multiply
    755,766.81x = 1,042,881.03 × 465,332.31
  4. Step 4: Simplify right side
    755,766.81x = 485,286,238,745.08
  5. Step 5: Solve for x
    x = 485,286,238,745.08/755,766.81
  6. Step 6: Final answer
    x = 642,111.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.