Home / 770,926.92-1,156,467.81-265,420.98

Finding the Fourth Proportional to 770,926.92, 1,156,467.81 and 265,420.98

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Solution

The fourth proportional to 770,926.92, 1,156,467.81 and 265,420.98 is: 398,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,926.92 : 1,156,467.81 = 265,420.98 : x
  2. Step 2: Convert to fraction form
    770,926.92/1,156,467.81 = 265,420.98/x
  3. Step 3: Cross multiply
    770,926.92x = 1,156,467.81 × 265,420.98
  4. Step 4: Simplify right side
    770,926.92x = 306,950,819,468.65
  5. Step 5: Solve for x
    x = 306,950,819,468.65/770,926.92
  6. Step 6: Final answer
    x = 398,158.13

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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.