Home / 790,796.27-1,091,304.03-428,220.14

Finding the Fourth Proportional to 790,796.27, 1,091,304.03 and 428,220.14

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Solution

The fourth proportional to 790,796.27, 1,091,304.03 and 428,220.14 is: 590,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,796.27 : 1,091,304.03 = 428,220.14 : x
  2. Step 2: Convert to fraction form
    790,796.27/1,091,304.03 = 428,220.14/x
  3. Step 3: Cross multiply
    790,796.27x = 1,091,304.03 × 428,220.14
  4. Step 4: Simplify right side
    790,796.27x = 467,318,364,509.16
  5. Step 5: Solve for x
    x = 467,318,364,509.16/790,796.27
  6. Step 6: Final answer
    x = 590,946.60

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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.