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Finding the Fourth Proportional to 582,270.08, 873,109.68 and 266,456.40

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Solution

The fourth proportional to 582,270.08, 873,109.68 and 266,456.40 is: 399,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,270.08 : 873,109.68 = 266,456.40 : x
  2. Step 2: Convert to fraction form
    582,270.08/873,109.68 = 266,456.40/x
  3. Step 3: Cross multiply
    582,270.08x = 873,109.68 × 266,456.40
  4. Step 4: Simplify right side
    582,270.08x = 232,645,662,137.95
  5. Step 5: Solve for x
    x = 232,645,662,137.95/582,270.08
  6. Step 6: Final answer
    x = 399,549.40

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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.