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Finding the Fourth Proportional to 539,266.60, 808,511.10 and 302,681.80

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Solution

The fourth proportional to 539,266.60, 808,511.10 and 302,681.80 is: 453,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,266.60 : 808,511.10 = 302,681.80 : x
  2. Step 2: Convert to fraction form
    539,266.60/808,511.10 = 302,681.80/x
  3. Step 3: Cross multiply
    539,266.60x = 808,511.10 × 302,681.80
  4. Step 4: Simplify right side
    539,266.60x = 244,721,595,067.98
  5. Step 5: Solve for x
    x = 244,721,595,067.98/539,266.60
  6. Step 6: Final answer
    x = 453,804.47

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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.