Home / 909,453.30-1,364,179.89-403,895.34

Finding the Fourth Proportional to 909,453.30, 1,364,179.89 and 403,895.34

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Solution

The fourth proportional to 909,453.30, 1,364,179.89 and 403,895.34 is: 605,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,453.30 : 1,364,179.89 = 403,895.34 : x
  2. Step 2: Convert to fraction form
    909,453.30/1,364,179.89 = 403,895.34/x
  3. Step 3: Cross multiply
    909,453.30x = 1,364,179.89 × 403,895.34
  4. Step 4: Simplify right side
    909,453.30x = 550,985,900,492.71
  5. Step 5: Solve for x
    x = 550,985,900,492.71/909,453.30
  6. Step 6: Final answer
    x = 605,842.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.