Home / 885,873.64-1,222,344.66-523,356.52

Finding the Fourth Proportional to 885,873.64, 1,222,344.66 and 523,356.52

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Solution

The fourth proportional to 885,873.64, 1,222,344.66 and 523,356.52 is: 722,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,873.64 : 1,222,344.66 = 523,356.52 : x
  2. Step 2: Convert to fraction form
    885,873.64/1,222,344.66 = 523,356.52/x
  3. Step 3: Cross multiply
    885,873.64x = 1,222,344.66 × 523,356.52
  4. Step 4: Simplify right side
    885,873.64x = 639,722,047,498.18
  5. Step 5: Solve for x
    x = 639,722,047,498.18/885,873.64
  6. Step 6: Final answer
    x = 722,136.90

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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.