Home / 768,473.40-1,152,911.70-295,174.20

Finding the Fourth Proportional to 768,473.40, 1,152,911.70 and 295,174.20

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Solution

The fourth proportional to 768,473.40, 1,152,911.70 and 295,174.20 is: 442,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,473.40 : 1,152,911.70 = 295,174.20 : x
  2. Step 2: Convert to fraction form
    768,473.40/1,152,911.70 = 295,174.20/x
  3. Step 3: Cross multiply
    768,473.40x = 1,152,911.70 × 295,174.20
  4. Step 4: Simplify right side
    768,473.40x = 340,309,788,718.14
  5. Step 5: Solve for x
    x = 340,309,788,718.14/768,473.40
  6. Step 6: Final answer
    x = 442,838.74

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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.