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Finding the Fourth Proportional to 503,567.80, 755,764.80 and 499,631.20

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Solution

The fourth proportional to 503,567.80, 755,764.80 and 499,631.20 is: 749,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,567.80 : 755,764.80 = 499,631.20 : x
  2. Step 2: Convert to fraction form
    503,567.80/755,764.80 = 499,631.20/x
  3. Step 3: Cross multiply
    503,567.80x = 755,764.80 × 499,631.20
  4. Step 4: Simplify right side
    503,567.80x = 377,603,673,941.76
  5. Step 5: Solve for x
    x = 377,603,673,941.76/503,567.80
  6. Step 6: Final answer
    x = 749,856.67

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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.