Home / 829,010.80-1,243,516.20-731,033.20

Finding the Fourth Proportional to 829,010.80, 1,243,516.20 and 731,033.20

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Solution

The fourth proportional to 829,010.80, 1,243,516.20 and 731,033.20 is: 1,096,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,010.80 : 1,243,516.20 = 731,033.20 : x
  2. Step 2: Convert to fraction form
    829,010.80/1,243,516.20 = 731,033.20/x
  3. Step 3: Cross multiply
    829,010.80x = 1,243,516.20 × 731,033.20
  4. Step 4: Simplify right side
    829,010.80x = 909,051,626,937.84
  5. Step 5: Solve for x
    x = 909,051,626,937.84/829,010.80
  6. Step 6: Final answer
    x = 1,096,549.80

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Double scale
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Similar ratio
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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.