Home / 910,753.35-1,366,130.03-644,814.15

Finding the Fourth Proportional to 910,753.35, 1,366,130.03 and 644,814.15

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Solution

The fourth proportional to 910,753.35, 1,366,130.03 and 644,814.15 is: 967,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,753.35 : 1,366,130.03 = 644,814.15 : x
  2. Step 2: Convert to fraction form
    910,753.35/1,366,130.03 = 644,814.15/x
  3. Step 3: Cross multiply
    910,753.35x = 1,366,130.03 × 644,814.15
  4. Step 4: Simplify right side
    910,753.35x = 880,899,970,859.85
  5. Step 5: Solve for x
    x = 880,899,970,859.85/910,753.35
  6. Step 6: Final answer
    x = 967,221.23

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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.