Home / 841,824.40-1,262,727.96-486,612.40

Finding the Fourth Proportional to 841,824.40, 1,262,727.96 and 486,612.40

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Solution

The fourth proportional to 841,824.40, 1,262,727.96 and 486,612.40 is: 729,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,824.40 : 1,262,727.96 = 486,612.40 : x
  2. Step 2: Convert to fraction form
    841,824.40/1,262,727.96 = 486,612.40/x
  3. Step 3: Cross multiply
    841,824.40x = 1,262,727.96 × 486,612.40
  4. Step 4: Simplify right side
    841,824.40x = 614,459,083,162.70
  5. Step 5: Solve for x
    x = 614,459,083,162.70/841,824.40
  6. Step 6: Final answer
    x = 729,913.61

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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.