Home / 2,952,778.70-4,429,168.05-708,916.70

Finding the Fourth Proportional to 2,952,778.70, 4,429,168.05 and 708,916.70

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Solution

The fourth proportional to 2,952,778.70, 4,429,168.05 and 708,916.70 is: 1,063,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,778.70 : 4,429,168.05 = 708,916.70 : x
  2. Step 2: Convert to fraction form
    2,952,778.70/4,429,168.05 = 708,916.70/x
  3. Step 3: Cross multiply
    2,952,778.70x = 4,429,168.05 × 708,916.70
  4. Step 4: Simplify right side
    2,952,778.70x = 3,139,911,197,751.43
  5. Step 5: Solve for x
    x = 3,139,911,197,751.43/2,952,778.70
  6. Step 6: Final answer
    x = 1,063,375.05

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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.