Home / 802,301.16-1,107,125.37-439,699.29

Finding the Fourth Proportional to 802,301.16, 1,107,125.37 and 439,699.29

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Solution

The fourth proportional to 802,301.16, 1,107,125.37 and 439,699.29 is: 606,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,301.16 : 1,107,125.37 = 439,699.29 : x
  2. Step 2: Convert to fraction form
    802,301.16/1,107,125.37 = 439,699.29/x
  3. Step 3: Cross multiply
    802,301.16x = 1,107,125.37 × 439,699.29
  4. Step 4: Simplify right side
    802,301.16x = 486,802,239,129.99
  5. Step 5: Solve for x
    x = 486,802,239,129.99/802,301.16
  6. Step 6: Final answer
    x = 606,757.49

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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.