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Finding the Fourth Proportional to 656,009.20, 982,458.60 and 656,009.20

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Solution

The fourth proportional to 656,009.20, 982,458.60 and 656,009.20 is: 982,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,009.20 : 982,458.60 = 656,009.20 : x
  2. Step 2: Convert to fraction form
    656,009.20/982,458.60 = 656,009.20/x
  3. Step 3: Cross multiply
    656,009.20x = 982,458.60 × 656,009.20
  4. Step 4: Simplify right side
    656,009.20x = 644,501,880,219.12
  5. Step 5: Solve for x
    x = 644,501,880,219.12/656,009.20
  6. Step 6: Final answer
    x = 982,458.60

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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.