Home / 913,443.12-1,370,295.87-282,406.14

Finding the Fourth Proportional to 913,443.12, 1,370,295.87 and 282,406.14

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Solution

The fourth proportional to 913,443.12, 1,370,295.87 and 282,406.14 is: 423,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,443.12 : 1,370,295.87 = 282,406.14 : x
  2. Step 2: Convert to fraction form
    913,443.12/1,370,295.87 = 282,406.14/x
  3. Step 3: Cross multiply
    913,443.12x = 1,370,295.87 × 282,406.14
  4. Step 4: Simplify right side
    913,443.12x = 386,979,967,304.64
  5. Step 5: Solve for x
    x = 386,979,967,304.64/913,443.12
  6. Step 6: Final answer
    x = 423,649.77

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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.