Home / 988,772.28-1,483,296.29-305,714.90

Finding the Fourth Proportional to 988,772.28, 1,483,296.29 and 305,714.90

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Solution

The fourth proportional to 988,772.28, 1,483,296.29 and 305,714.90 is: 458,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,772.28 : 1,483,296.29 = 305,714.90 : x
  2. Step 2: Convert to fraction form
    988,772.28/1,483,296.29 = 305,714.90/x
  3. Step 3: Cross multiply
    988,772.28x = 1,483,296.29 × 305,714.90
  4. Step 4: Simplify right side
    988,772.28x = 453,465,768,022.67
  5. Step 5: Solve for x
    x = 453,465,768,022.67/988,772.28
  6. Step 6: Final answer
    x = 458,614.97

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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.