Home / 970,855.65-1,456,282.21-260,883.70

Finding the Fourth Proportional to 970,855.65, 1,456,282.21 and 260,883.70

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Solution

The fourth proportional to 970,855.65, 1,456,282.21 and 260,883.70 is: 391,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,855.65 : 1,456,282.21 = 260,883.70 : x
  2. Step 2: Convert to fraction form
    970,855.65/1,456,282.21 = 260,883.70/x
  3. Step 3: Cross multiply
    970,855.65x = 1,456,282.21 × 260,883.70
  4. Step 4: Simplify right side
    970,855.65x = 379,920,291,188.98
  5. Step 5: Solve for x
    x = 379,920,291,188.98/970,855.65
  6. Step 6: Final answer
    x = 391,325.21

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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.