Home / 767,871.80-1,059,661.82-423,707.46

Finding the Fourth Proportional to 767,871.80, 1,059,661.82 and 423,707.46

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Solution

The fourth proportional to 767,871.80, 1,059,661.82 and 423,707.46 is: 584,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,871.80 : 1,059,661.82 = 423,707.46 : x
  2. Step 2: Convert to fraction form
    767,871.80/1,059,661.82 = 423,707.46/x
  3. Step 3: Cross multiply
    767,871.80x = 1,059,661.82 × 423,707.46
  4. Step 4: Simplify right side
    767,871.80x = 448,986,619,270.45
  5. Step 5: Solve for x
    x = 448,986,619,270.45/767,871.80
  6. Step 6: Final answer
    x = 584,715.60

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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.