Home / 775,871.43-1,070,695.57-436,332.39

Finding the Fourth Proportional to 775,871.43, 1,070,695.57 and 436,332.39

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Solution

The fourth proportional to 775,871.43, 1,070,695.57 and 436,332.39 is: 602,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,871.43 : 1,070,695.57 = 436,332.39 : x
  2. Step 2: Convert to fraction form
    775,871.43/1,070,695.57 = 436,332.39/x
  3. Step 3: Cross multiply
    775,871.43x = 1,070,695.57 × 436,332.39
  4. Step 4: Simplify right side
    775,871.43x = 467,179,157,020.51
  5. Step 5: Solve for x
    x = 467,179,157,020.51/775,871.43
  6. Step 6: Final answer
    x = 602,134.76

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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.