Home / 830,781.90-1,246,062.09-231,692.89

Finding the Fourth Proportional to 830,781.90, 1,246,062.09 and 231,692.89

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Solution

The fourth proportional to 830,781.90, 1,246,062.09 and 231,692.89 is: 347,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,781.90 : 1,246,062.09 = 231,692.89 : x
  2. Step 2: Convert to fraction form
    830,781.90/1,246,062.09 = 231,692.89/x
  3. Step 3: Cross multiply
    830,781.90x = 1,246,062.09 × 231,692.89
  4. Step 4: Simplify right side
    830,781.90x = 288,703,726,751.54
  5. Step 5: Solve for x
    x = 288,703,726,751.54/830,781.90
  6. Step 6: Final answer
    x = 347,508.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.