Home / 885,432.31-1,221,890.88-503,459.06

Finding the Fourth Proportional to 885,432.31, 1,221,890.88 and 503,459.06

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Solution

The fourth proportional to 885,432.31, 1,221,890.88 and 503,459.06 is: 694,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,432.31 : 1,221,890.88 = 503,459.06 : x
  2. Step 2: Convert to fraction form
    885,432.31/1,221,890.88 = 503,459.06/x
  3. Step 3: Cross multiply
    885,432.31x = 1,221,890.88 × 503,459.06
  4. Step 4: Simplify right side
    885,432.31x = 615,172,030,812.65
  5. Step 5: Solve for x
    x = 615,172,030,812.65/885,432.31
  6. Step 6: Final answer
    x = 694,770.25

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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.