Home / 974,812.60-1,462,000.20-640,201.60

Finding the Fourth Proportional to 974,812.60, 1,462,000.20 and 640,201.60

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Solution

The fourth proportional to 974,812.60, 1,462,000.20 and 640,201.60 is: 960,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,812.60 : 1,462,000.20 = 640,201.60 : x
  2. Step 2: Convert to fraction form
    974,812.60/1,462,000.20 = 640,201.60/x
  3. Step 3: Cross multiply
    974,812.60x = 1,462,000.20 × 640,201.60
  4. Step 4: Simplify right side
    974,812.60x = 935,974,867,240.32
  5. Step 5: Solve for x
    x = 935,974,867,240.32/974,812.60
  6. Step 6: Final answer
    x = 960,158.77

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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.