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Finding the Fourth Proportional to 480,047.06, 662,489.61 and 265,185.38

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Solution

The fourth proportional to 480,047.06, 662,489.61 and 265,185.38 is: 365,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,047.06 : 662,489.61 = 265,185.38 : x
  2. Step 2: Convert to fraction form
    480,047.06/662,489.61 = 265,185.38/x
  3. Step 3: Cross multiply
    480,047.06x = 662,489.61 × 265,185.38
  4. Step 4: Simplify right side
    480,047.06x = 175,682,558,973.90
  5. Step 5: Solve for x
    x = 175,682,558,973.90/480,047.06
  6. Step 6: Final answer
    x = 365,969.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.