Home / 712,600.40-1,068,900.60-380,824.40

Finding the Fourth Proportional to 712,600.40, 1,068,900.60 and 380,824.40

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Solution

The fourth proportional to 712,600.40, 1,068,900.60 and 380,824.40 is: 571,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,600.40 : 1,068,900.60 = 380,824.40 : x
  2. Step 2: Convert to fraction form
    712,600.40/1,068,900.60 = 380,824.40/x
  3. Step 3: Cross multiply
    712,600.40x = 1,068,900.60 × 380,824.40
  4. Step 4: Simplify right side
    712,600.40x = 407,063,429,654.64
  5. Step 5: Solve for x
    x = 407,063,429,654.64/712,600.40
  6. Step 6: Final answer
    x = 571,236.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.