Home / 775,886.60-1,070,563.03-453,534.35

Finding the Fourth Proportional to 775,886.60, 1,070,563.03 and 453,534.35

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Solution

The fourth proportional to 775,886.60, 1,070,563.03 and 453,534.35 is: 625,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,886.60 : 1,070,563.03 = 453,534.35 : x
  2. Step 2: Convert to fraction form
    775,886.60/1,070,563.03 = 453,534.35/x
  3. Step 3: Cross multiply
    775,886.60x = 1,070,563.03 × 453,534.35
  4. Step 4: Simplify right side
    775,886.60x = 485,537,101,458.43
  5. Step 5: Solve for x
    x = 485,537,101,458.43/775,886.60
  6. Step 6: Final answer
    x = 625,783.59

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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.