Home / 802,147.83-1,203,373.48-322,412.98

Finding the Fourth Proportional to 802,147.83, 1,203,373.48 and 322,412.98

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Solution

The fourth proportional to 802,147.83, 1,203,373.48 and 322,412.98 is: 483,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,147.83 : 1,203,373.48 = 322,412.98 : x
  2. Step 2: Convert to fraction form
    802,147.83/1,203,373.48 = 322,412.98/x
  3. Step 3: Cross multiply
    802,147.83x = 1,203,373.48 × 322,412.98
  4. Step 4: Simplify right side
    802,147.83x = 387,983,230,810.45
  5. Step 5: Solve for x
    x = 387,983,230,810.45/802,147.83
  6. Step 6: Final answer
    x = 483,680.46

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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.