Home / 841,583.40-1,262,539.73-309,108.43

Finding the Fourth Proportional to 841,583.40, 1,262,539.73 and 309,108.43

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Solution

The fourth proportional to 841,583.40, 1,262,539.73 and 309,108.43 is: 463,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,583.40 : 1,262,539.73 = 309,108.43 : x
  2. Step 2: Convert to fraction form
    841,583.40/1,262,539.73 = 309,108.43/x
  3. Step 3: Cross multiply
    841,583.40x = 1,262,539.73 × 309,108.43
  4. Step 4: Simplify right side
    841,583.40x = 390,261,673,752.92
  5. Step 5: Solve for x
    x = 390,261,673,752.92/841,583.40
  6. Step 6: Final answer
    x = 463,723.11

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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.