Home / 956,912.40-1,435,368.60-641,725.20

Finding the Fourth Proportional to 956,912.40, 1,435,368.60 and 641,725.20

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Solution

The fourth proportional to 956,912.40, 1,435,368.60 and 641,725.20 is: 962,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,912.40 : 1,435,368.60 = 641,725.20 : x
  2. Step 2: Convert to fraction form
    956,912.40/1,435,368.60 = 641,725.20/x
  3. Step 3: Cross multiply
    956,912.40x = 1,435,368.60 × 641,725.20
  4. Step 4: Simplify right side
    956,912.40x = 921,112,201,908.72
  5. Step 5: Solve for x
    x = 921,112,201,908.72/956,912.40
  6. Step 6: Final answer
    x = 962,587.80

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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.