Home / 785,743.93-1,084,334.21-446,214.61

Finding the Fourth Proportional to 785,743.93, 1,084,334.21 and 446,214.61

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Solution

The fourth proportional to 785,743.93, 1,084,334.21 and 446,214.61 is: 615,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,743.93 : 1,084,334.21 = 446,214.61 : x
  2. Step 2: Convert to fraction form
    785,743.93/1,084,334.21 = 446,214.61/x
  3. Step 3: Cross multiply
    785,743.93x = 1,084,334.21 × 446,214.61
  4. Step 4: Simplify right side
    785,743.93x = 483,845,766,624.81
  5. Step 5: Solve for x
    x = 483,845,766,624.81/785,743.93
  6. Step 6: Final answer
    x = 615,780.47

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1.5x scale

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.