Home / 970,943.64-1,456,100.36-458,529.54

Finding the Fourth Proportional to 970,943.64, 1,456,100.36 and 458,529.54

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Solution

The fourth proportional to 970,943.64, 1,456,100.36 and 458,529.54 is: 687,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,943.64 : 1,456,100.36 = 458,529.54 : x
  2. Step 2: Convert to fraction form
    970,943.64/1,456,100.36 = 458,529.54/x
  3. Step 3: Cross multiply
    970,943.64x = 1,456,100.36 × 458,529.54
  4. Step 4: Simplify right side
    970,943.64x = 667,665,025,971.99
  5. Step 5: Solve for x
    x = 667,665,025,971.99/970,943.64
  6. Step 6: Final answer
    x = 687,645.50

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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.