Home / 827,461.40-1,241,192.10-738,231.80

Finding the Fourth Proportional to 827,461.40, 1,241,192.10 and 738,231.80

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Solution

The fourth proportional to 827,461.40, 1,241,192.10 and 738,231.80 is: 1,107,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,461.40 : 1,241,192.10 = 738,231.80 : x
  2. Step 2: Convert to fraction form
    827,461.40/1,241,192.10 = 738,231.80/x
  3. Step 3: Cross multiply
    827,461.40x = 1,241,192.10 × 738,231.80
  4. Step 4: Simplify right side
    827,461.40x = 916,287,478,128.78
  5. Step 5: Solve for x
    x = 916,287,478,128.78/827,461.40
  6. Step 6: Final answer
    x = 1,107,347.70

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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.