Home / 803,864.20-1,203,722.70-637,976.20

Finding the Fourth Proportional to 803,864.20, 1,203,722.70 and 637,976.20

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Solution

The fourth proportional to 803,864.20, 1,203,722.70 and 637,976.20 is: 955,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,864.20 : 1,203,722.70 = 637,976.20 : x
  2. Step 2: Convert to fraction form
    803,864.20/1,203,722.70 = 637,976.20/x
  3. Step 3: Cross multiply
    803,864.20x = 1,203,722.70 × 637,976.20
  4. Step 4: Simplify right side
    803,864.20x = 767,946,433,999.74
  5. Step 5: Solve for x
    x = 767,946,433,999.74/803,864.20
  6. Step 6: Final answer
    x = 955,318.61

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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.