Home / 757,645.70-1,045,557.30-413,484.44

Finding the Fourth Proportional to 757,645.70, 1,045,557.30 and 413,484.44

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Solution

The fourth proportional to 757,645.70, 1,045,557.30 and 413,484.44 is: 570,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,645.70 : 1,045,557.30 = 413,484.44 : x
  2. Step 2: Convert to fraction form
    757,645.70/1,045,557.30 = 413,484.44/x
  3. Step 3: Cross multiply
    757,645.70x = 1,045,557.30 × 413,484.44
  4. Step 4: Simplify right side
    757,645.70x = 432,321,674,678.41
  5. Step 5: Solve for x
    x = 432,321,674,678.41/757,645.70
  6. Step 6: Final answer
    x = 570,611.93

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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.