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Finding the Fourth Proportional to 617,802.04, 852,519.72 and 345,807.64

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Solution

The fourth proportional to 617,802.04, 852,519.72 and 345,807.64 is: 477,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,802.04 : 852,519.72 = 345,807.64 : x
  2. Step 2: Convert to fraction form
    617,802.04/852,519.72 = 345,807.64/x
  3. Step 3: Cross multiply
    617,802.04x = 852,519.72 × 345,807.64
  4. Step 4: Simplify right side
    617,802.04x = 294,807,832,426.66
  5. Step 5: Solve for x
    x = 294,807,832,426.66/617,802.04
  6. Step 6: Final answer
    x = 477,188.18

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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.