Home / 513,271.20-708,318.82-283,844

Finding the Fourth Proportional to 513,271.20, 708,318.82 and 283,844

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Solution

The fourth proportional to 513,271.20, 708,318.82 and 283,844 is: 391,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,271.20 : 708,318.82 = 283,844 : x
  2. Step 2: Convert to fraction form
    513,271.20/708,318.82 = 283,844/x
  3. Step 3: Cross multiply
    513,271.20x = 708,318.82 × 283,844
  4. Step 4: Simplify right side
    513,271.20x = 201,052,047,144.08
  5. Step 5: Solve for x
    x = 201,052,047,144.08/513,271.20
  6. Step 6: Final answer
    x = 391,707.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.