Home / 712,005.20-1,068,007.80-446,584.40

Finding the Fourth Proportional to 712,005.20, 1,068,007.80 and 446,584.40

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Solution

The fourth proportional to 712,005.20, 1,068,007.80 and 446,584.40 is: 669,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,005.20 : 1,068,007.80 = 446,584.40 : x
  2. Step 2: Convert to fraction form
    712,005.20/1,068,007.80 = 446,584.40/x
  3. Step 3: Cross multiply
    712,005.20x = 1,068,007.80 × 446,584.40
  4. Step 4: Simplify right side
    712,005.20x = 476,955,622,558.32
  5. Step 5: Solve for x
    x = 476,955,622,558.32/712,005.20
  6. Step 6: Final answer
    x = 669,876.60

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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.