Home / 775,427.46-1,070,089.83-435,895.71

Finding the Fourth Proportional to 775,427.46, 1,070,089.83 and 435,895.71

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Solution

The fourth proportional to 775,427.46, 1,070,089.83 and 435,895.71 is: 601,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,427.46 : 1,070,089.83 = 435,895.71 : x
  2. Step 2: Convert to fraction form
    775,427.46/1,070,089.83 = 435,895.71/x
  3. Step 3: Cross multiply
    775,427.46x = 1,070,089.83 × 435,895.71
  4. Step 4: Simplify right side
    775,427.46x = 466,447,566,211.63
  5. Step 5: Solve for x
    x = 466,447,566,211.63/775,427.46
  6. Step 6: Final answer
    x = 601,536.04

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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.