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Finding the Fourth Proportional to 640,457.82, 960,685.47 and 601,485.48

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Solution

The fourth proportional to 640,457.82, 960,685.47 and 601,485.48 is: 902,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,457.82 : 960,685.47 = 601,485.48 : x
  2. Step 2: Convert to fraction form
    640,457.82/960,685.47 = 601,485.48/x
  3. Step 3: Cross multiply
    640,457.82x = 960,685.47 × 601,485.48
  4. Step 4: Simplify right side
    640,457.82x = 577,838,361,051.98
  5. Step 5: Solve for x
    x = 577,838,361,051.98/640,457.82
  6. Step 6: Final answer
    x = 902,227.04

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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.