Home / 885,442.94-1,221,905.54-503,469.69

Finding the Fourth Proportional to 885,442.94, 1,221,905.54 and 503,469.69

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Solution

The fourth proportional to 885,442.94, 1,221,905.54 and 503,469.69 is: 694,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,442.94 : 1,221,905.54 = 503,469.69 : x
  2. Step 2: Convert to fraction form
    885,442.94/1,221,905.54 = 503,469.69/x
  3. Step 3: Cross multiply
    885,442.94x = 1,221,905.54 × 503,469.69
  4. Step 4: Simplify right side
    885,442.94x = 615,192,400,915.73
  5. Step 5: Solve for x
    x = 615,192,400,915.73/885,442.94
  6. Step 6: Final answer
    x = 694,784.92

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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.