Home / 761,846.56-1,050,985.99-455,861.32

Finding the Fourth Proportional to 761,846.56, 1,050,985.99 and 455,861.32

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Solution

The fourth proportional to 761,846.56, 1,050,985.99 and 455,861.32 is: 628,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,846.56 : 1,050,985.99 = 455,861.32 : x
  2. Step 2: Convert to fraction form
    761,846.56/1,050,985.99 = 455,861.32/x
  3. Step 3: Cross multiply
    761,846.56x = 1,050,985.99 × 455,861.32
  4. Step 4: Simplify right side
    761,846.56x = 479,103,856,081.05
  5. Step 5: Solve for x
    x = 479,103,856,081.05/761,846.56
  6. Step 6: Final answer
    x = 628,871.85

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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.