Home / 791,106.01-1,091,731.54-428,529.87

Finding the Fourth Proportional to 791,106.01, 1,091,731.54 and 428,529.87

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Solution

The fourth proportional to 791,106.01, 1,091,731.54 and 428,529.87 is: 591,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,106.01 : 1,091,731.54 = 428,529.87 : x
  2. Step 2: Convert to fraction form
    791,106.01/1,091,731.54 = 428,529.87/x
  3. Step 3: Cross multiply
    791,106.01x = 1,091,731.54 × 428,529.87
  4. Step 4: Simplify right side
    791,106.01x = 467,839,574,911.10
  5. Step 5: Solve for x
    x = 467,839,574,911.10/791,106.01
  6. Step 6: Final answer
    x = 591,374.06

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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.