Home / 676,493-1,014,822.93-221,073.47

Finding the Fourth Proportional to 676,493, 1,014,822.93 and 221,073.47

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Solution

The fourth proportional to 676,493, 1,014,822.93 and 221,073.47 is: 331,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,493 : 1,014,822.93 = 221,073.47 : x
  2. Step 2: Convert to fraction form
    676,493/1,014,822.93 = 221,073.47/x
  3. Step 3: Cross multiply
    676,493x = 1,014,822.93 × 221,073.47
  4. Step 4: Simplify right side
    676,493x = 224,350,426,570.67
  5. Step 5: Solve for x
    x = 224,350,426,570.67/676,493
  6. Step 6: Final answer
    x = 331,637.47

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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.