Home / 850,356.64-1,272,539.04-530,658.88

Finding the Fourth Proportional to 850,356.64, 1,272,539.04 and 530,658.88

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Solution

The fourth proportional to 850,356.64, 1,272,539.04 and 530,658.88 is: 794,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,356.64 : 1,272,539.04 = 530,658.88 : x
  2. Step 2: Convert to fraction form
    850,356.64/1,272,539.04 = 530,658.88/x
  3. Step 3: Cross multiply
    850,356.64x = 1,272,539.04 × 530,658.88
  4. Step 4: Simplify right side
    850,356.64x = 675,284,141,722.68
  5. Step 5: Solve for x
    x = 675,284,141,722.68/850,356.64
  6. Step 6: Final answer
    x = 794,118.74

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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.