Home / 974,829.60-1,462,025.70-640,218.60

Finding the Fourth Proportional to 974,829.60, 1,462,025.70 and 640,218.60

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Solution

The fourth proportional to 974,829.60, 1,462,025.70 and 640,218.60 is: 960,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,829.60 : 1,462,025.70 = 640,218.60 : x
  2. Step 2: Convert to fraction form
    974,829.60/1,462,025.70 = 640,218.60/x
  3. Step 3: Cross multiply
    974,829.60x = 1,462,025.70 × 640,218.60
  4. Step 4: Simplify right side
    974,829.60x = 936,016,046,818.02
  5. Step 5: Solve for x
    x = 936,016,046,818.02/974,829.60
  6. Step 6: Final answer
    x = 960,184.27

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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.