Home / 712,999.27-1,068,779.25-446,946.62

Finding the Fourth Proportional to 712,999.27, 1,068,779.25 and 446,946.62

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Solution

The fourth proportional to 712,999.27, 1,068,779.25 and 446,946.62 is: 669,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,999.27 : 1,068,779.25 = 446,946.62 : x
  2. Step 2: Convert to fraction form
    712,999.27/1,068,779.25 = 446,946.62/x
  3. Step 3: Cross multiply
    712,999.27x = 1,068,779.25 × 446,946.62
  4. Step 4: Simplify right side
    712,999.27x = 477,687,273,313.64
  5. Step 5: Solve for x
    x = 477,687,273,313.64/712,999.27
  6. Step 6: Final answer
    x = 669,968.81

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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.