Home / 891,472.70-1,338,193.20-554,893.40

Finding the Fourth Proportional to 891,472.70, 1,338,193.20 and 554,893.40

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Solution

The fourth proportional to 891,472.70, 1,338,193.20 and 554,893.40 is: 832,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,472.70 : 1,338,193.20 = 554,893.40 : x
  2. Step 2: Convert to fraction form
    891,472.70/1,338,193.20 = 554,893.40/x
  3. Step 3: Cross multiply
    891,472.70x = 1,338,193.20 × 554,893.40
  4. Step 4: Simplify right side
    891,472.70x = 742,554,574,604.88
  5. Step 5: Solve for x
    x = 742,554,574,604.88/891,472.70
  6. Step 6: Final answer
    x = 832,952.68

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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.