Home / 582,145.11-803,094.75-420,744.51

Finding the Fourth Proportional to 582,145.11, 803,094.75 and 420,744.51

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Solution

The fourth proportional to 582,145.11, 803,094.75 and 420,744.51 is: 580,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,145.11 : 803,094.75 = 420,744.51 : x
  2. Step 2: Convert to fraction form
    582,145.11/803,094.75 = 420,744.51/x
  3. Step 3: Cross multiply
    582,145.11x = 803,094.75 × 420,744.51
  4. Step 4: Simplify right side
    582,145.11x = 337,897,707,072.32
  5. Step 5: Solve for x
    x = 337,897,707,072.32/582,145.11
  6. Step 6: Final answer
    x = 580,435.53

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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.