Home / 775,425.96-1,070,087.76-435,894.21

Finding the Fourth Proportional to 775,425.96, 1,070,087.76 and 435,894.21

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Solution

The fourth proportional to 775,425.96, 1,070,087.76 and 435,894.21 is: 601,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,425.96 : 1,070,087.76 = 435,894.21 : x
  2. Step 2: Convert to fraction form
    775,425.96/1,070,087.76 = 435,894.21/x
  3. Step 3: Cross multiply
    775,425.96x = 1,070,087.76 × 435,894.21
  4. Step 4: Simplify right side
    775,425.96x = 466,445,058,775.87
  5. Step 5: Solve for x
    x = 466,445,058,775.87/775,425.96
  6. Step 6: Final answer
    x = 601,533.97

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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.