Home / 790,654.77-1,091,102.00-428,078.93

Finding the Fourth Proportional to 790,654.77, 1,091,102.00 and 428,078.93

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Solution

The fourth proportional to 790,654.77, 1,091,102.00 and 428,078.93 is: 590,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,654.77 : 1,091,102.00 = 428,078.93 : x
  2. Step 2: Convert to fraction form
    790,654.77/1,091,102.00 = 428,078.93/x
  3. Step 3: Cross multiply
    790,654.77x = 1,091,102.00 × 428,078.93
  4. Step 4: Simplify right side
    790,654.77x = 467,077,769,084.96
  5. Step 5: Solve for x
    x = 467,077,769,084.96/790,654.77
  6. Step 6: Final answer
    x = 590,748.06

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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.