Home / 809,132.60-1,215,011.10-544,068.20

Finding the Fourth Proportional to 809,132.60, 1,215,011.10 and 544,068.20

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Solution

The fourth proportional to 809,132.60, 1,215,011.10 and 544,068.20 is: 816,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,132.60 : 1,215,011.10 = 544,068.20 : x
  2. Step 2: Convert to fraction form
    809,132.60/1,215,011.10 = 544,068.20/x
  3. Step 3: Cross multiply
    809,132.60x = 1,215,011.10 × 544,068.20
  4. Step 4: Simplify right side
    809,132.60x = 661,048,902,157.02
  5. Step 5: Solve for x
    x = 661,048,902,157.02/809,132.60
  6. Step 6: Final answer
    x = 816,984.64

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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.