Home / 909,057.96-1,254,508.70-501,174.72

Finding the Fourth Proportional to 909,057.96, 1,254,508.70 and 501,174.72

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Solution

The fourth proportional to 909,057.96, 1,254,508.70 and 501,174.72 is: 691,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,057.96 : 1,254,508.70 = 501,174.72 : x
  2. Step 2: Convert to fraction form
    909,057.96/1,254,508.70 = 501,174.72/x
  3. Step 3: Cross multiply
    909,057.96x = 1,254,508.70 × 501,174.72
  4. Step 4: Simplify right side
    909,057.96x = 628,728,043,954.19
  5. Step 5: Solve for x
    x = 628,728,043,954.19/909,057.96
  6. Step 6: Final answer
    x = 691,625.92

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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.