Home / 885,473.28-1,221,903.36-503,592.96

Finding the Fourth Proportional to 885,473.28, 1,221,903.36 and 503,592.96

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Solution

The fourth proportional to 885,473.28, 1,221,903.36 and 503,592.96 is: 694,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,473.28 : 1,221,903.36 = 503,592.96 : x
  2. Step 2: Convert to fraction form
    885,473.28/1,221,903.36 = 503,592.96/x
  3. Step 3: Cross multiply
    885,473.28x = 1,221,903.36 × 503,592.96
  4. Step 4: Simplify right side
    885,473.28x = 615,341,929,896.35
  5. Step 5: Solve for x
    x = 615,341,929,896.35/885,473.28
  6. Step 6: Final answer
    x = 694,929.98

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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.