Home / 885,525.28-1,221,975.12-503,644.96

Finding the Fourth Proportional to 885,525.28, 1,221,975.12 and 503,644.96

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Solution

The fourth proportional to 885,525.28, 1,221,975.12 and 503,644.96 is: 695,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,525.28 : 1,221,975.12 = 503,644.96 : x
  2. Step 2: Convert to fraction form
    885,525.28/1,221,975.12 = 503,644.96/x
  3. Step 3: Cross multiply
    885,525.28x = 1,221,975.12 × 503,644.96
  4. Step 4: Simplify right side
    885,525.28x = 615,441,610,433.40
  5. Step 5: Solve for x
    x = 615,441,610,433.40/885,525.28
  6. Step 6: Final answer
    x = 695,001.74

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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.