Home / 917,883.90-1,376,291.25-356,262.30

Finding the Fourth Proportional to 917,883.90, 1,376,291.25 and 356,262.30

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Solution

The fourth proportional to 917,883.90, 1,376,291.25 and 356,262.30 is: 534,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,883.90 : 1,376,291.25 = 356,262.30 : x
  2. Step 2: Convert to fraction form
    917,883.90/1,376,291.25 = 356,262.30/x
  3. Step 3: Cross multiply
    917,883.90x = 1,376,291.25 × 356,262.30
  4. Step 4: Simplify right side
    917,883.90x = 490,320,686,194.88
  5. Step 5: Solve for x
    x = 490,320,686,194.88/917,883.90
  6. Step 6: Final answer
    x = 534,185.95

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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.