Home / 909,621.96-1,254,891.06-667,483.80

Finding the Fourth Proportional to 909,621.96, 1,254,891.06 and 667,483.80

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Solution

The fourth proportional to 909,621.96, 1,254,891.06 and 667,483.80 is: 920,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,621.96 : 1,254,891.06 = 667,483.80 : x
  2. Step 2: Convert to fraction form
    909,621.96/1,254,891.06 = 667,483.80/x
  3. Step 3: Cross multiply
    909,621.96x = 1,254,891.06 × 667,483.80
  4. Step 4: Simplify right side
    909,621.96x = 837,619,453,314.83
  5. Step 5: Solve for x
    x = 837,619,453,314.83/909,621.96
  6. Step 6: Final answer
    x = 920,843.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.