Home / 513,019.57-708,037.33-295,223.77

Finding the Fourth Proportional to 513,019.57, 708,037.33 and 295,223.77

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Solution

The fourth proportional to 513,019.57, 708,037.33 and 295,223.77 is: 407,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,019.57 : 708,037.33 = 295,223.77 : x
  2. Step 2: Convert to fraction form
    513,019.57/708,037.33 = 295,223.77/x
  3. Step 3: Cross multiply
    513,019.57x = 708,037.33 × 295,223.77
  4. Step 4: Simplify right side
    513,019.57x = 209,029,447,355.18
  5. Step 5: Solve for x
    x = 209,029,447,355.18/513,019.57
  6. Step 6: Final answer
    x = 407,449.27

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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.