Home / 850,359.64-1,272,543.54-530,661.88

Finding the Fourth Proportional to 850,359.64, 1,272,543.54 and 530,661.88

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Solution

The fourth proportional to 850,359.64, 1,272,543.54 and 530,661.88 is: 794,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,359.64 : 1,272,543.54 = 530,661.88 : x
  2. Step 2: Convert to fraction form
    850,359.64/1,272,543.54 = 530,661.88/x
  3. Step 3: Cross multiply
    850,359.64x = 1,272,543.54 × 530,661.88
  4. Step 4: Simplify right side
    850,359.64x = 675,290,347,318.26
  5. Step 5: Solve for x
    x = 675,290,347,318.26/850,359.64
  6. Step 6: Final answer
    x = 794,123.23

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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.