Home / 513,291.79-708,322.35-283,834.18

Finding the Fourth Proportional to 513,291.79, 708,322.35 and 283,834.18

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Solution

The fourth proportional to 513,291.79, 708,322.35 and 283,834.18 is: 391,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,291.79 : 708,322.35 = 283,834.18 : x
  2. Step 2: Convert to fraction form
    513,291.79/708,322.35 = 283,834.18/x
  3. Step 3: Cross multiply
    513,291.79x = 708,322.35 × 283,834.18
  4. Step 4: Simplify right side
    513,291.79x = 201,046,093,387.92
  5. Step 5: Solve for x
    x = 201,046,093,387.92/513,291.79
  6. Step 6: Final answer
    x = 391,679.93

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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.