Home / 705,422.40-1,056,578.40-612,110.40

Finding the Fourth Proportional to 705,422.40, 1,056,578.40 and 612,110.40

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Solution

The fourth proportional to 705,422.40, 1,056,578.40 and 612,110.40 is: 916,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,422.40 : 1,056,578.40 = 612,110.40 : x
  2. Step 2: Convert to fraction form
    705,422.40/1,056,578.40 = 612,110.40/x
  3. Step 3: Cross multiply
    705,422.40x = 1,056,578.40 × 612,110.40
  4. Step 4: Simplify right side
    705,422.40x = 646,742,627,055.36
  5. Step 5: Solve for x
    x = 646,742,627,055.36/705,422.40
  6. Step 6: Final answer
    x = 916,816.12

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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.