Home / 909,113.40-1,254,585.36-501,231.36

Finding the Fourth Proportional to 909,113.40, 1,254,585.36 and 501,231.36

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Solution

The fourth proportional to 909,113.40, 1,254,585.36 and 501,231.36 is: 691,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,113.40 : 1,254,585.36 = 501,231.36 : x
  2. Step 2: Convert to fraction form
    909,113.40/1,254,585.36 = 501,231.36/x
  3. Step 3: Cross multiply
    909,113.40x = 1,254,585.36 × 501,231.36
  4. Step 4: Simplify right side
    909,113.40x = 628,837,526,228.89
  5. Step 5: Solve for x
    x = 628,837,526,228.89/909,113.40
  6. Step 6: Final answer
    x = 691,704.17

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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.