Home / 970,920.60-1,456,121.70-297,000.60

Finding the Fourth Proportional to 970,920.60, 1,456,121.70 and 297,000.60

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Solution

The fourth proportional to 970,920.60, 1,456,121.70 and 297,000.60 is: 445,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,920.60 : 1,456,121.70 = 297,000.60 : x
  2. Step 2: Convert to fraction form
    970,920.60/1,456,121.70 = 297,000.60/x
  3. Step 3: Cross multiply
    970,920.60x = 1,456,121.70 × 297,000.60
  4. Step 4: Simplify right side
    970,920.60x = 432,469,018,573.02
  5. Step 5: Solve for x
    x = 432,469,018,573.02/970,920.60
  6. Step 6: Final answer
    x = 445,421.61

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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.