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Finding the Fourth Proportional to 503,429.30, 755,557.05 and 499,492.70

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Solution

The fourth proportional to 503,429.30, 755,557.05 and 499,492.70 is: 749,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,429.30 : 755,557.05 = 499,492.70 : x
  2. Step 2: Convert to fraction form
    503,429.30/755,557.05 = 499,492.70/x
  3. Step 3: Cross multiply
    503,429.30x = 755,557.05 × 499,492.70
  4. Step 4: Simplify right side
    503,429.30x = 377,395,230,908.54
  5. Step 5: Solve for x
    x = 377,395,230,908.54/503,429.30
  6. Step 6: Final answer
    x = 749,648.92

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1.5x scale

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.