Home / 889,662.96-1,227,823.20-507,747.60

Finding the Fourth Proportional to 889,662.96, 1,227,823.20 and 507,747.60

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Solution

The fourth proportional to 889,662.96, 1,227,823.20 and 507,747.60 is: 700,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,662.96 : 1,227,823.20 = 507,747.60 : x
  2. Step 2: Convert to fraction form
    889,662.96/1,227,823.20 = 507,747.60/x
  3. Step 3: Cross multiply
    889,662.96x = 1,227,823.20 × 507,747.60
  4. Step 4: Simplify right side
    889,662.96x = 623,424,283,024.32
  5. Step 5: Solve for x
    x = 623,424,283,024.32/889,662.96
  6. Step 6: Final answer
    x = 700,742.09

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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.