Home / 513,465.35-708,527.63-283,986.17

Finding the Fourth Proportional to 513,465.35, 708,527.63 and 283,986.17

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Solution

The fourth proportional to 513,465.35, 708,527.63 and 283,986.17 is: 391,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,465.35 : 708,527.63 = 283,986.17 : x
  2. Step 2: Convert to fraction form
    513,465.35/708,527.63 = 283,986.17/x
  3. Step 3: Cross multiply
    513,465.35x = 708,527.63 × 283,986.17
  4. Step 4: Simplify right side
    513,465.35x = 201,212,045,677.29
  5. Step 5: Solve for x
    x = 201,212,045,677.29/513,465.35
  6. Step 6: Final answer
    x = 391,870.74

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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.