Home / 970,855.40-1,456,281.84-260,883.45

Finding the Fourth Proportional to 970,855.40, 1,456,281.84 and 260,883.45

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Solution

The fourth proportional to 970,855.40, 1,456,281.84 and 260,883.45 is: 391,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,855.40 : 1,456,281.84 = 260,883.45 : x
  2. Step 2: Convert to fraction form
    970,855.40/1,456,281.84 = 260,883.45/x
  3. Step 3: Cross multiply
    970,855.40x = 1,456,281.84 × 260,883.45
  4. Step 4: Simplify right side
    970,855.40x = 379,919,830,591.55
  5. Step 5: Solve for x
    x = 379,919,830,591.55/970,855.40
  6. Step 6: Final answer
    x = 391,324.84

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1.5x scale

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.