Home / 909,092.70-1,254,566.91-501,211.73

Finding the Fourth Proportional to 909,092.70, 1,254,566.91 and 501,211.73

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Solution

The fourth proportional to 909,092.70, 1,254,566.91 and 501,211.73 is: 691,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,092.70 : 1,254,566.91 = 501,211.73 : x
  2. Step 2: Convert to fraction form
    909,092.70/1,254,566.91 = 501,211.73/x
  3. Step 3: Cross multiply
    909,092.70x = 1,254,566.91 × 501,211.73
  4. Step 4: Simplify right side
    909,092.70x = 628,803,645,089.02
  5. Step 5: Solve for x
    x = 628,803,645,089.02/909,092.70
  6. Step 6: Final answer
    x = 691,682.65

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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.