Home / 686,047.40-946,272.96-482,530.04

Finding the Fourth Proportional to 686,047.40, 946,272.96 and 482,530.04

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Solution

The fourth proportional to 686,047.40, 946,272.96 and 482,530.04 is: 665,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,047.40 : 946,272.96 = 482,530.04 : x
  2. Step 2: Convert to fraction form
    686,047.40/946,272.96 = 482,530.04/x
  3. Step 3: Cross multiply
    686,047.40x = 946,272.96 × 482,530.04
  4. Step 4: Simplify right side
    686,047.40x = 456,605,129,239.72
  5. Step 5: Solve for x
    x = 456,605,129,239.72/686,047.40
  6. Step 6: Final answer
    x = 665,559.16

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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.