Home / 863,243.60-1,294,865.40-483,774.80

Finding the Fourth Proportional to 863,243.60, 1,294,865.40 and 483,774.80

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Solution

The fourth proportional to 863,243.60, 1,294,865.40 and 483,774.80 is: 725,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,243.60 : 1,294,865.40 = 483,774.80 : x
  2. Step 2: Convert to fraction form
    863,243.60/1,294,865.40 = 483,774.80/x
  3. Step 3: Cross multiply
    863,243.60x = 1,294,865.40 × 483,774.80
  4. Step 4: Simplify right side
    863,243.60x = 626,423,249,911.92
  5. Step 5: Solve for x
    x = 626,423,249,911.92/863,243.60
  6. Step 6: Final answer
    x = 725,662.20

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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.