Home / 775,440.84-1,070,204.76-435,909.36

Finding the Fourth Proportional to 775,440.84, 1,070,204.76 and 435,909.36

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Solution

The fourth proportional to 775,440.84, 1,070,204.76 and 435,909.36 is: 601,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,440.84 : 1,070,204.76 = 435,909.36 : x
  2. Step 2: Convert to fraction form
    775,440.84/1,070,204.76 = 435,909.36/x
  3. Step 3: Cross multiply
    775,440.84x = 1,070,204.76 × 435,909.36
  4. Step 4: Simplify right side
    775,440.84x = 466,512,272,000.55
  5. Step 5: Solve for x
    x = 466,512,272,000.55/775,440.84
  6. Step 6: Final answer
    x = 601,609.11

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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.