Home / 857,368.94-1,183,060.38-470,082.44

Finding the Fourth Proportional to 857,368.94, 1,183,060.38 and 470,082.44

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Solution

The fourth proportional to 857,368.94, 1,183,060.38 and 470,082.44 is: 648,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,368.94 : 1,183,060.38 = 470,082.44 : x
  2. Step 2: Convert to fraction form
    857,368.94/1,183,060.38 = 470,082.44/x
  3. Step 3: Cross multiply
    857,368.94x = 1,183,060.38 × 470,082.44
  4. Step 4: Simplify right side
    857,368.94x = 556,135,910,097.73
  5. Step 5: Solve for x
    x = 556,135,910,097.73/857,368.94
  6. Step 6: Final answer
    x = 648,654.14

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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.