Home / 478,869.17-660,844.04-264,016.94

Finding the Fourth Proportional to 478,869.17, 660,844.04 and 264,016.94

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Solution

The fourth proportional to 478,869.17, 660,844.04 and 264,016.94 is: 364,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,869.17 : 660,844.04 = 264,016.94 : x
  2. Step 2: Convert to fraction form
    478,869.17/660,844.04 = 264,016.94/x
  3. Step 3: Cross multiply
    478,869.17x = 660,844.04 × 264,016.94
  4. Step 4: Simplify right side
    478,869.17x = 174,474,016,633.73
  5. Step 5: Solve for x
    x = 174,474,016,633.73/478,869.17
  6. Step 6: Final answer
    x = 364,345.90

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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.