Home / 585,971.54-879,045.05-212,082.02

Finding the Fourth Proportional to 585,971.54, 879,045.05 and 212,082.02

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Solution

The fourth proportional to 585,971.54, 879,045.05 and 212,082.02 is: 318,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,971.54 : 879,045.05 = 212,082.02 : x
  2. Step 2: Convert to fraction form
    585,971.54/879,045.05 = 212,082.02/x
  3. Step 3: Cross multiply
    585,971.54x = 879,045.05 × 212,082.02
  4. Step 4: Simplify right side
    585,971.54x = 186,429,644,419.37
  5. Step 5: Solve for x
    x = 186,429,644,419.37/585,971.54
  6. Step 6: Final answer
    x = 318,154.78

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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.