Home / 748,051.20-1,031,243.40-461,379.24

Finding the Fourth Proportional to 748,051.20, 1,031,243.40 and 461,379.24

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Solution

The fourth proportional to 748,051.20, 1,031,243.40 and 461,379.24 is: 636,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,051.20 : 1,031,243.40 = 461,379.24 : x
  2. Step 2: Convert to fraction form
    748,051.20/1,031,243.40 = 461,379.24/x
  3. Step 3: Cross multiply
    748,051.20x = 1,031,243.40 × 461,379.24
  4. Step 4: Simplify right side
    748,051.20x = 475,794,296,147.02
  5. Step 5: Solve for x
    x = 475,794,296,147.02/748,051.20
  6. Step 6: Final answer
    x = 636,045.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.