Home / 513,742.94-708,947.84-284,309.93

Finding the Fourth Proportional to 513,742.94, 708,947.84 and 284,309.93

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Solution

The fourth proportional to 513,742.94, 708,947.84 and 284,309.93 is: 392,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,742.94 : 708,947.84 = 284,309.93 : x
  2. Step 2: Convert to fraction form
    513,742.94/708,947.84 = 284,309.93/x
  3. Step 3: Cross multiply
    513,742.94x = 708,947.84 × 284,309.93
  4. Step 4: Simplify right side
    513,742.94x = 201,560,913,247.20
  5. Step 5: Solve for x
    x = 201,560,913,247.20/513,742.94
  6. Step 6: Final answer
    x = 392,338.07

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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.