Home / 831,544.66-1,248,018.04-326,460.36

Finding the Fourth Proportional to 831,544.66, 1,248,018.04 and 326,460.36

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Solution

The fourth proportional to 831,544.66, 1,248,018.04 and 326,460.36 is: 489,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,544.66 : 1,248,018.04 = 326,460.36 : x
  2. Step 2: Convert to fraction form
    831,544.66/1,248,018.04 = 326,460.36/x
  3. Step 3: Cross multiply
    831,544.66x = 1,248,018.04 × 326,460.36
  4. Step 4: Simplify right side
    831,544.66x = 407,428,418,624.89
  5. Step 5: Solve for x
    x = 407,428,418,624.89/831,544.66
  6. Step 6: Final answer
    x = 489,965.77

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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.