Home / 988,770.36-1,483,293.40-305,712.98

Finding the Fourth Proportional to 988,770.36, 1,483,293.40 and 305,712.98

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Solution

The fourth proportional to 988,770.36, 1,483,293.40 and 305,712.98 is: 458,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,770.36 : 1,483,293.40 = 305,712.98 : x
  2. Step 2: Convert to fraction form
    988,770.36/1,483,293.40 = 305,712.98/x
  3. Step 3: Cross multiply
    988,770.36x = 1,483,293.40 × 305,712.98
  4. Step 4: Simplify right side
    988,770.36x = 453,462,037,347.58
  5. Step 5: Solve for x
    x = 453,462,037,347.58/988,770.36
  6. Step 6: Final answer
    x = 458,612.09

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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.