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Finding the Fourth Proportional to 480,305.49, 662,884.94 and 464,532.97

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Solution

The fourth proportional to 480,305.49, 662,884.94 and 464,532.97 is: 641,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,305.49 : 662,884.94 = 464,532.97 : x
  2. Step 2: Convert to fraction form
    480,305.49/662,884.94 = 464,532.97/x
  3. Step 3: Cross multiply
    480,305.49x = 662,884.94 × 464,532.97
  4. Step 4: Simplify right side
    480,305.49x = 307,931,904,309.38
  5. Step 5: Solve for x
    x = 307,931,904,309.38/480,305.49
  6. Step 6: Final answer
    x = 641,116.77

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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.