Home / 889,315.22-1,227,250.50-481,417.86

Finding the Fourth Proportional to 889,315.22, 1,227,250.50 and 481,417.86

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Solution

The fourth proportional to 889,315.22, 1,227,250.50 and 481,417.86 is: 664,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,315.22 : 1,227,250.50 = 481,417.86 : x
  2. Step 2: Convert to fraction form
    889,315.22/1,227,250.50 = 481,417.86/x
  3. Step 3: Cross multiply
    889,315.22x = 1,227,250.50 × 481,417.86
  4. Step 4: Simplify right side
    889,315.22x = 590,820,309,393.93
  5. Step 5: Solve for x
    x = 590,820,309,393.93/889,315.22
  6. Step 6: Final answer
    x = 664,354.21

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Double scale
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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.