Home / 909,154.23-1,254,641.72-501,270.63

Finding the Fourth Proportional to 909,154.23, 1,254,641.72 and 501,270.63

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Solution

The fourth proportional to 909,154.23, 1,254,641.72 and 501,270.63 is: 691,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,154.23 : 1,254,641.72 = 501,270.63 : x
  2. Step 2: Convert to fraction form
    909,154.23/1,254,641.72 = 501,270.63/x
  3. Step 3: Cross multiply
    909,154.23x = 1,254,641.72 × 501,270.63
  4. Step 4: Simplify right side
    909,154.23x = 628,915,042,902.33
  5. Step 5: Solve for x
    x = 628,915,042,902.33/909,154.23
  6. Step 6: Final answer
    x = 691,758.36

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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.