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Finding the Fourth Proportional to 570,487.72, 854,798.30 and 303,965.48

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Solution

The fourth proportional to 570,487.72, 854,798.30 and 303,965.48 is: 455,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,487.72 : 854,798.30 = 303,965.48 : x
  2. Step 2: Convert to fraction form
    570,487.72/854,798.30 = 303,965.48/x
  3. Step 3: Cross multiply
    570,487.72x = 854,798.30 × 303,965.48
  4. Step 4: Simplify right side
    570,487.72x = 259,829,175,562.68
  5. Step 5: Solve for x
    x = 259,829,175,562.68/570,487.72
  6. Step 6: Final answer
    x = 455,450.95

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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.