Home / 554,862.96-831,944.52-305,719.92

Finding the Fourth Proportional to 554,862.96, 831,944.52 and 305,719.92

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Solution

The fourth proportional to 554,862.96, 831,944.52 and 305,719.92 is: 458,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,862.96 : 831,944.52 = 305,719.92 : x
  2. Step 2: Convert to fraction form
    554,862.96/831,944.52 = 305,719.92/x
  3. Step 3: Cross multiply
    554,862.96x = 831,944.52 × 305,719.92
  4. Step 4: Simplify right side
    554,862.96x = 254,342,012,098.84
  5. Step 5: Solve for x
    x = 254,342,012,098.84/554,862.96
  6. Step 6: Final answer
    x = 458,387.08

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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.