Home / 745,947.99-1,118,913.75-446,512.05

Finding the Fourth Proportional to 745,947.99, 1,118,913.75 and 446,512.05

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Solution

The fourth proportional to 745,947.99, 1,118,913.75 and 446,512.05 is: 669,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,947.99 : 1,118,913.75 = 446,512.05 : x
  2. Step 2: Convert to fraction form
    745,947.99/1,118,913.75 = 446,512.05/x
  3. Step 3: Cross multiply
    745,947.99x = 1,118,913.75 × 446,512.05
  4. Step 4: Simplify right side
    745,947.99x = 499,608,472,285.69
  5. Step 5: Solve for x
    x = 499,608,472,285.69/745,947.99
  6. Step 6: Final answer
    x = 669,763.15

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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.