Home / 790,800.03-1,091,302.07-428,223.89

Finding the Fourth Proportional to 790,800.03, 1,091,302.07 and 428,223.89

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Solution

The fourth proportional to 790,800.03, 1,091,302.07 and 428,223.89 is: 590,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,800.03 : 1,091,302.07 = 428,223.89 : x
  2. Step 2: Convert to fraction form
    790,800.03/1,091,302.07 = 428,223.89/x
  3. Step 3: Cross multiply
    790,800.03x = 1,091,302.07 × 428,223.89
  4. Step 4: Simplify right side
    790,800.03x = 467,321,609,982.82
  5. Step 5: Solve for x
    x = 467,321,609,982.82/790,800.03
  6. Step 6: Final answer
    x = 590,947.89

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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.