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Finding the Fourth Proportional to 478,552.06, 660,398.43 and 263,687.02

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Solution

The fourth proportional to 478,552.06, 660,398.43 and 263,687.02 is: 363,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,552.06 : 660,398.43 = 263,687.02 : x
  2. Step 2: Convert to fraction form
    478,552.06/660,398.43 = 263,687.02/x
  3. Step 3: Cross multiply
    478,552.06x = 660,398.43 × 263,687.02
  4. Step 4: Simplify right side
    478,552.06x = 174,138,494,019.38
  5. Step 5: Solve for x
    x = 174,138,494,019.38/478,552.06
  6. Step 6: Final answer
    x = 363,886.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.