Home / 988,799.34-1,483,341.09-305,739.42

Finding the Fourth Proportional to 988,799.34, 1,483,341.09 and 305,739.42

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Solution

The fourth proportional to 988,799.34, 1,483,341.09 and 305,739.42 is: 458,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,799.34 : 1,483,341.09 = 305,739.42 : x
  2. Step 2: Convert to fraction form
    988,799.34/1,483,341.09 = 305,739.42/x
  3. Step 3: Cross multiply
    988,799.34x = 1,483,341.09 × 305,739.42
  4. Step 4: Simplify right side
    988,799.34x = 453,515,844,518.77
  5. Step 5: Solve for x
    x = 453,515,844,518.77/988,799.34
  6. Step 6: Final answer
    x = 458,653.06

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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.