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Finding the Fourth Proportional to 802,668.66, 1,107,703.89 and 453,781.30

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Solution

The fourth proportional to 802,668.66, 1,107,703.89 and 453,781.30 is: 626,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,668.66 : 1,107,703.89 = 453,781.30 : x
  2. Step 2: Convert to fraction form
    802,668.66/1,107,703.89 = 453,781.30/x
  3. Step 3: Cross multiply
    802,668.66x = 1,107,703.89 × 453,781.30
  4. Step 4: Simplify right side
    802,668.66x = 502,655,311,219.26
  5. Step 5: Solve for x
    x = 502,655,311,219.26/802,668.66
  6. Step 6: Final answer
    x = 626,230.14

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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.