Home / 841,583.52-1,262,539.91-309,108.56

Finding the Fourth Proportional to 841,583.52, 1,262,539.91 and 309,108.56

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Solution

The fourth proportional to 841,583.52, 1,262,539.91 and 309,108.56 is: 463,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,583.52 : 1,262,539.91 = 309,108.56 : x
  2. Step 2: Convert to fraction form
    841,583.52/1,262,539.91 = 309,108.56/x
  3. Step 3: Cross multiply
    841,583.52x = 1,262,539.91 × 309,108.56
  4. Step 4: Simplify right side
    841,583.52x = 390,261,887,982.70
  5. Step 5: Solve for x
    x = 390,261,887,982.70/841,583.52
  6. Step 6: Final answer
    x = 463,723.30

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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.