Home / 974,814.60-1,462,003.20-640,203.60

Finding the Fourth Proportional to 974,814.60, 1,462,003.20 and 640,203.60

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Solution

The fourth proportional to 974,814.60, 1,462,003.20 and 640,203.60 is: 960,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,814.60 : 1,462,003.20 = 640,203.60 : x
  2. Step 2: Convert to fraction form
    974,814.60/1,462,003.20 = 640,203.60/x
  3. Step 3: Cross multiply
    974,814.60x = 1,462,003.20 × 640,203.60
  4. Step 4: Simplify right side
    974,814.60x = 935,979,711,851.52
  5. Step 5: Solve for x
    x = 935,979,711,851.52/974,814.60
  6. Step 6: Final answer
    x = 960,161.77

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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.