Home / 585,979.65-879,057.18-212,090.13

Finding the Fourth Proportional to 585,979.65, 879,057.18 and 212,090.13

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Solution

The fourth proportional to 585,979.65, 879,057.18 and 212,090.13 is: 318,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,979.65 : 879,057.18 = 212,090.13 : x
  2. Step 2: Convert to fraction form
    585,979.65/879,057.18 = 212,090.13/x
  3. Step 3: Cross multiply
    585,979.65x = 879,057.18 × 212,090.13
  4. Step 4: Simplify right side
    585,979.65x = 186,439,351,583.63
  5. Step 5: Solve for x
    x = 186,439,351,583.63/585,979.65
  6. Step 6: Final answer
    x = 318,166.94

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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.