Home / 988,769.61-1,483,292.28-305,712.23

Finding the Fourth Proportional to 988,769.61, 1,483,292.28 and 305,712.23

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Solution

The fourth proportional to 988,769.61, 1,483,292.28 and 305,712.23 is: 458,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,769.61 : 1,483,292.28 = 305,712.23 : x
  2. Step 2: Convert to fraction form
    988,769.61/1,483,292.28 = 305,712.23/x
  3. Step 3: Cross multiply
    988,769.61x = 1,483,292.28 × 305,712.23
  4. Step 4: Simplify right side
    988,769.61x = 453,460,581,811.10
  5. Step 5: Solve for x
    x = 453,460,581,811.10/988,769.61
  6. Step 6: Final answer
    x = 458,610.96

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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.