Home / 784,200.30-1,173,676.05-548,004.30

Finding the Fourth Proportional to 784,200.30, 1,173,676.05 and 548,004.30

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Solution

The fourth proportional to 784,200.30, 1,173,676.05 and 548,004.30 is: 820,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,200.30 : 1,173,676.05 = 548,004.30 : x
  2. Step 2: Convert to fraction form
    784,200.30/1,173,676.05 = 548,004.30/x
  3. Step 3: Cross multiply
    784,200.30x = 1,173,676.05 × 548,004.30
  4. Step 4: Simplify right side
    784,200.30x = 643,179,522,207.02
  5. Step 5: Solve for x
    x = 643,179,522,207.02/784,200.30
  6. Step 6: Final answer
    x = 820,172.50

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Double scale
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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.