Home / 803,628.71-1,206,025.59-298,261.61

Finding the Fourth Proportional to 803,628.71, 1,206,025.59 and 298,261.61

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Solution

The fourth proportional to 803,628.71, 1,206,025.59 and 298,261.61 is: 447,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,628.71 : 1,206,025.59 = 298,261.61 : x
  2. Step 2: Convert to fraction form
    803,628.71/1,206,025.59 = 298,261.61/x
  3. Step 3: Cross multiply
    803,628.71x = 1,206,025.59 × 298,261.61
  4. Step 4: Simplify right side
    803,628.71x = 359,711,130,041.06
  5. Step 5: Solve for x
    x = 359,711,130,041.06/803,628.71
  6. Step 6: Final answer
    x = 447,608.61

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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.