Home / 816,744.22-1,224,316.64-457,090.70

Finding the Fourth Proportional to 816,744.22, 1,224,316.64 and 457,090.70

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Solution

The fourth proportional to 816,744.22, 1,224,316.64 and 457,090.70 is: 685,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,744.22 : 1,224,316.64 = 457,090.70 : x
  2. Step 2: Convert to fraction form
    816,744.22/1,224,316.64 = 457,090.70/x
  3. Step 3: Cross multiply
    816,744.22x = 1,224,316.64 × 457,090.70
  4. Step 4: Simplify right side
    816,744.22x = 559,623,754,202.77
  5. Step 5: Solve for x
    x = 559,623,754,202.77/816,744.22
  6. Step 6: Final answer
    x = 685,188.51

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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.