Home / 803,953.70-1,206,708.15-489,025.70

Finding the Fourth Proportional to 803,953.70, 1,206,708.15 and 489,025.70

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Solution

The fourth proportional to 803,953.70, 1,206,708.15 and 489,025.70 is: 734,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,953.70 : 1,206,708.15 = 489,025.70 : x
  2. Step 2: Convert to fraction form
    803,953.70/1,206,708.15 = 489,025.70/x
  3. Step 3: Cross multiply
    803,953.70x = 1,206,708.15 × 489,025.70
  4. Step 4: Simplify right side
    803,953.70x = 590,111,297,749.46
  5. Step 5: Solve for x
    x = 590,111,297,749.46/803,953.70
  6. Step 6: Final answer
    x = 734,011.55

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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.