Home / 889,664.45-1,227,824.75-507,748.37

Finding the Fourth Proportional to 889,664.45, 1,227,824.75 and 507,748.37

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Solution

The fourth proportional to 889,664.45, 1,227,824.75 and 507,748.37 is: 700,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,664.45 : 1,227,824.75 = 507,748.37 : x
  2. Step 2: Convert to fraction form
    889,664.45/1,227,824.75 = 507,748.37/x
  3. Step 3: Cross multiply
    889,664.45x = 1,227,824.75 × 507,748.37
  4. Step 4: Simplify right side
    889,664.45x = 623,426,010,588.41
  5. Step 5: Solve for x
    x = 623,426,010,588.41/889,664.45
  6. Step 6: Final answer
    x = 700,742.86

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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.