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Finding the Fourth Proportional to 657,530.10, 986,003.55 and 302,652.90

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Solution

The fourth proportional to 657,530.10, 986,003.55 and 302,652.90 is: 453,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,530.10 : 986,003.55 = 302,652.90 : x
  2. Step 2: Convert to fraction form
    657,530.10/986,003.55 = 302,652.90/x
  3. Step 3: Cross multiply
    657,530.10x = 986,003.55 × 302,652.90
  4. Step 4: Simplify right side
    657,530.10x = 298,416,833,817.80
  5. Step 5: Solve for x
    x = 298,416,833,817.80/657,530.10
  6. Step 6: Final answer
    x = 453,845.13

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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.