Home / 909,073.49-1,254,498.35-501,165.90

Finding the Fourth Proportional to 909,073.49, 1,254,498.35 and 501,165.90

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Solution

The fourth proportional to 909,073.49, 1,254,498.35 and 501,165.90 is: 691,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,073.49 : 1,254,498.35 = 501,165.90 : x
  2. Step 2: Convert to fraction form
    909,073.49/1,254,498.35 = 501,165.90/x
  3. Step 3: Cross multiply
    909,073.49x = 1,254,498.35 × 501,165.90
  4. Step 4: Simplify right side
    909,073.49x = 628,711,792,120.44
  5. Step 5: Solve for x
    x = 628,711,792,120.44/909,073.49
  6. Step 6: Final answer
    x = 691,596.23

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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.