Home / 768,440.15-1,152,715.58-295,125.51

Finding the Fourth Proportional to 768,440.15, 1,152,715.58 and 295,125.51

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Solution

The fourth proportional to 768,440.15, 1,152,715.58 and 295,125.51 is: 442,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,440.15 : 1,152,715.58 = 295,125.51 : x
  2. Step 2: Convert to fraction form
    768,440.15/1,152,715.58 = 295,125.51/x
  3. Step 3: Cross multiply
    768,440.15x = 1,152,715.58 × 295,125.51
  4. Step 4: Simplify right side
    768,440.15x = 340,195,772,071.59
  5. Step 5: Solve for x
    x = 340,195,772,071.59/768,440.15
  6. Step 6: Final answer
    x = 442,709.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.