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Finding the Fourth Proportional to 503,529.08, 694,885.10 and 310,048.38

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Solution

The fourth proportional to 503,529.08, 694,885.10 and 310,048.38 is: 427,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,529.08 : 694,885.10 = 310,048.38 : x
  2. Step 2: Convert to fraction form
    503,529.08/694,885.10 = 310,048.38/x
  3. Step 3: Cross multiply
    503,529.08x = 694,885.10 × 310,048.38
  4. Step 4: Simplify right side
    503,529.08x = 215,447,997,990.90
  5. Step 5: Solve for x
    x = 215,447,997,990.90/503,529.08
  6. Step 6: Final answer
    x = 427,875.98

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1.5x scale

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.