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Finding the Fourth Proportional to 578,083.08, 866,002.44 and 426,004.12

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Solution

The fourth proportional to 578,083.08, 866,002.44 and 426,004.12 is: 638,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,083.08 : 866,002.44 = 426,004.12 : x
  2. Step 2: Convert to fraction form
    578,083.08/866,002.44 = 426,004.12/x
  3. Step 3: Cross multiply
    578,083.08x = 866,002.44 × 426,004.12
  4. Step 4: Simplify right side
    578,083.08x = 368,920,607,370.05
  5. Step 5: Solve for x
    x = 368,920,607,370.05/578,083.08
  6. Step 6: Final answer
    x = 638,179.22

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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.