Home / 657,485.10-985,936.05-302,607.90

Finding the Fourth Proportional to 657,485.10, 985,936.05 and 302,607.90

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Solution

The fourth proportional to 657,485.10, 985,936.05 and 302,607.90 is: 453,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,485.10 : 985,936.05 = 302,607.90 : x
  2. Step 2: Convert to fraction form
    657,485.10/985,936.05 = 302,607.90/x
  3. Step 3: Cross multiply
    657,485.10x = 985,936.05 × 302,607.90
  4. Step 4: Simplify right side
    657,485.10x = 298,352,037,624.80
  5. Step 5: Solve for x
    x = 298,352,037,624.80/657,485.10
  6. Step 6: Final answer
    x = 453,777.64

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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.