Home / 913,309.68-1,369,804.10-282,228.96

Finding the Fourth Proportional to 913,309.68, 1,369,804.10 and 282,228.96

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Solution

The fourth proportional to 913,309.68, 1,369,804.10 and 282,228.96 is: 423,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,309.68 : 1,369,804.10 = 282,228.96 : x
  2. Step 2: Convert to fraction form
    913,309.68/1,369,804.10 = 282,228.96/x
  3. Step 3: Cross multiply
    913,309.68x = 1,369,804.10 × 282,228.96
  4. Step 4: Simplify right side
    913,309.68x = 386,598,386,546.74
  5. Step 5: Solve for x
    x = 386,598,386,546.74/913,309.68
  6. Step 6: Final answer
    x = 423,293.87

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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.