Home / 885,630.64-1,222,197.24-503,712.40

Finding the Fourth Proportional to 885,630.64, 1,222,197.24 and 503,712.40

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Solution

The fourth proportional to 885,630.64, 1,222,197.24 and 503,712.40 is: 695,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,630.64 : 1,222,197.24 = 503,712.40 : x
  2. Step 2: Convert to fraction form
    885,630.64/1,222,197.24 = 503,712.40/x
  3. Step 3: Cross multiply
    885,630.64x = 1,222,197.24 × 503,712.40
  4. Step 4: Simplify right side
    885,630.64x = 615,635,905,033.78
  5. Step 5: Solve for x
    x = 615,635,905,033.78/885,630.64
  6. Step 6: Final answer
    x = 695,138.44

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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.