Home / 388,979.04-583,469.10-256,451.16

Finding the Fourth Proportional to 388,979.04, 583,469.10 and 256,451.16

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Solution

The fourth proportional to 388,979.04, 583,469.10 and 256,451.16 is: 384,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,979.04 : 583,469.10 = 256,451.16 : x
  2. Step 2: Convert to fraction form
    388,979.04/583,469.10 = 256,451.16/x
  3. Step 3: Cross multiply
    388,979.04x = 583,469.10 × 256,451.16
  4. Step 4: Simplify right side
    388,979.04x = 149,631,327,519.16
  5. Step 5: Solve for x
    x = 149,631,327,519.16/388,979.04
  6. Step 6: Final answer
    x = 384,677.10

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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.