Home / 856,905.78-1,182,530.94-474,932.87

Finding the Fourth Proportional to 856,905.78, 1,182,530.94 and 474,932.87

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Solution

The fourth proportional to 856,905.78, 1,182,530.94 and 474,932.87 is: 655,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,905.78 : 1,182,530.94 = 474,932.87 : x
  2. Step 2: Convert to fraction form
    856,905.78/1,182,530.94 = 474,932.87/x
  3. Step 3: Cross multiply
    856,905.78x = 1,182,530.94 × 474,932.87
  4. Step 4: Simplify right side
    856,905.78x = 561,622,807,285.34
  5. Step 5: Solve for x
    x = 561,622,807,285.34/856,905.78
  6. Step 6: Final answer
    x = 655,407.89

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