Home / 513,384.28-708,496.88-295,625.30

Finding the Fourth Proportional to 513,384.28, 708,496.88 and 295,625.30

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Solution

The fourth proportional to 513,384.28, 708,496.88 and 295,625.30 is: 407,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,384.28 : 708,496.88 = 295,625.30 : x
  2. Step 2: Convert to fraction form
    513,384.28/708,496.88 = 295,625.30/x
  3. Step 3: Cross multiply
    513,384.28x = 708,496.88 × 295,625.30
  4. Step 4: Simplify right side
    513,384.28x = 209,449,597,678.45
  5. Step 5: Solve for x
    x = 209,449,597,678.45/513,384.28
  6. Step 6: Final answer
    x = 407,978.21

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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.