Home / 885,782.25-1,222,418.23-498,622.66

Finding the Fourth Proportional to 885,782.25, 1,222,418.23 and 498,622.66

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Solution

The fourth proportional to 885,782.25, 1,222,418.23 and 498,622.66 is: 688,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,782.25 : 1,222,418.23 = 498,622.66 : x
  2. Step 2: Convert to fraction form
    885,782.25/1,222,418.23 = 498,622.66/x
  3. Step 3: Cross multiply
    885,782.25x = 1,222,418.23 × 498,622.66
  4. Step 4: Simplify right side
    885,782.25x = 609,525,425,172.49
  5. Step 5: Solve for x
    x = 609,525,425,172.49/885,782.25
  6. Step 6: Final answer
    x = 688,121.06

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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.