Home / 854,744.30-1,282,116.45-717,886.70

Finding the Fourth Proportional to 854,744.30, 1,282,116.45 and 717,886.70

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Solution

The fourth proportional to 854,744.30, 1,282,116.45 and 717,886.70 is: 1,076,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,744.30 : 1,282,116.45 = 717,886.70 : x
  2. Step 2: Convert to fraction form
    854,744.30/1,282,116.45 = 717,886.70/x
  3. Step 3: Cross multiply
    854,744.30x = 1,282,116.45 × 717,886.70
  4. Step 4: Simplify right side
    854,744.30x = 920,414,347,306.22
  5. Step 5: Solve for x
    x = 920,414,347,306.22/854,744.30
  6. Step 6: Final answer
    x = 1,076,830.05

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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.