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Finding the Fourth Proportional to 478,820, 718,230 and 183,332

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Solution

The fourth proportional to 478,820, 718,230 and 183,332 is: 274,998

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,820 : 718,230 = 183,332 : x
  2. Step 2: Convert to fraction form
    478,820/718,230 = 183,332/x
  3. Step 3: Cross multiply
    478,820x = 718,230 × 183,332
  4. Step 4: Simplify right side
    478,820x = 131,674,542,360
  5. Step 5: Solve for x
    x = 131,674,542,360/478,820
  6. Step 6: Final answer
    x = 274,998

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.