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Finding the Fourth Proportional to 555,654.56, 766,802.60 and 301,006.80

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Solution

The fourth proportional to 555,654.56, 766,802.60 and 301,006.80 is: 415,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,654.56 : 766,802.60 = 301,006.80 : x
  2. Step 2: Convert to fraction form
    555,654.56/766,802.60 = 301,006.80/x
  3. Step 3: Cross multiply
    555,654.56x = 766,802.60 × 301,006.80
  4. Step 4: Simplify right side
    555,654.56x = 230,812,796,857.68
  5. Step 5: Solve for x
    x = 230,812,796,857.68/555,654.56
  6. Step 6: Final answer
    x = 415,389.01

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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.