Home / 841,455.96-1,262,643.20-487,161.96

Finding the Fourth Proportional to 841,455.96, 1,262,643.20 and 487,161.96

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Solution

The fourth proportional to 841,455.96, 1,262,643.20 and 487,161.96 is: 731,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,455.96 : 1,262,643.20 = 487,161.96 : x
  2. Step 2: Convert to fraction form
    841,455.96/1,262,643.20 = 487,161.96/x
  3. Step 3: Cross multiply
    841,455.96x = 1,262,643.20 × 487,161.96
  4. Step 4: Simplify right side
    841,455.96x = 615,111,736,092.67
  5. Step 5: Solve for x
    x = 615,111,736,092.67/841,455.96
  6. Step 6: Final answer
    x = 731,008.83

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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.