Home / 743,936.42-1,026,820.58-457,712.80

Finding the Fourth Proportional to 743,936.42, 1,026,820.58 and 457,712.80

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Solution

The fourth proportional to 743,936.42, 1,026,820.58 and 457,712.80 is: 631,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,936.42 : 1,026,820.58 = 457,712.80 : x
  2. Step 2: Convert to fraction form
    743,936.42/1,026,820.58 = 457,712.80/x
  3. Step 3: Cross multiply
    743,936.42x = 1,026,820.58 × 457,712.80
  4. Step 4: Simplify right side
    743,936.42x = 469,988,917,913.81
  5. Step 5: Solve for x
    x = 469,988,917,913.81/743,936.42
  6. Step 6: Final answer
    x = 631,759.52

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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.