Home / 927,905.64-1,391,464.53-329,017.56

Finding the Fourth Proportional to 927,905.64, 1,391,464.53 and 329,017.56

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Solution

The fourth proportional to 927,905.64, 1,391,464.53 and 329,017.56 is: 493,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,905.64 : 1,391,464.53 = 329,017.56 : x
  2. Step 2: Convert to fraction form
    927,905.64/1,391,464.53 = 329,017.56/x
  3. Step 3: Cross multiply
    927,905.64x = 1,391,464.53 × 329,017.56
  4. Step 4: Simplify right side
    927,905.64x = 457,816,264,487.15
  5. Step 5: Solve for x
    x = 457,816,264,487.15/927,905.64
  6. Step 6: Final answer
    x = 493,386.66

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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.