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Finding the Fourth Proportional to 478,084.46, 716,864.22 and 328,362.44

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Solution

The fourth proportional to 478,084.46, 716,864.22 and 328,362.44 is: 492,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,084.46 : 716,864.22 = 328,362.44 : x
  2. Step 2: Convert to fraction form
    478,084.46/716,864.22 = 328,362.44/x
  3. Step 3: Cross multiply
    478,084.46x = 716,864.22 × 328,362.44
  4. Step 4: Simplify right side
    478,084.46x = 235,391,284,427.90
  5. Step 5: Solve for x
    x = 235,391,284,427.90/478,084.46
  6. Step 6: Final answer
    x = 492,363.39

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1.5x scale

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.