Home / 668,749.02-922,938.48-382,214.50

Finding the Fourth Proportional to 668,749.02, 922,938.48 and 382,214.50

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Solution

The fourth proportional to 668,749.02, 922,938.48 and 382,214.50 is: 527,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,749.02 : 922,938.48 = 382,214.50 : x
  2. Step 2: Convert to fraction form
    668,749.02/922,938.48 = 382,214.50/x
  3. Step 3: Cross multiply
    668,749.02x = 922,938.48 × 382,214.50
  4. Step 4: Simplify right side
    668,749.02x = 352,760,469,663.96
  5. Step 5: Solve for x
    x = 352,760,469,663.96/668,749.02
  6. Step 6: Final answer
    x = 527,493.06

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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.