Home / 803,999.20-1,206,920.40-471,762.40

Finding the Fourth Proportional to 803,999.20, 1,206,920.40 and 471,762.40

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Solution

The fourth proportional to 803,999.20, 1,206,920.40 and 471,762.40 is: 708,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,999.20 : 1,206,920.40 = 471,762.40 : x
  2. Step 2: Convert to fraction form
    803,999.20/1,206,920.40 = 471,762.40/x
  3. Step 3: Cross multiply
    803,999.20x = 1,206,920.40 × 471,762.40
  4. Step 4: Simplify right side
    803,999.20x = 569,379,664,512.96
  5. Step 5: Solve for x
    x = 569,379,664,512.96/803,999.20
  6. Step 6: Final answer
    x = 708,184.37

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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.