Home / 647,579.10-971,368.65-226,800.30

Finding the Fourth Proportional to 647,579.10, 971,368.65 and 226,800.30

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Solution

The fourth proportional to 647,579.10, 971,368.65 and 226,800.30 is: 340,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,579.10 : 971,368.65 = 226,800.30 : x
  2. Step 2: Convert to fraction form
    647,579.10/971,368.65 = 226,800.30/x
  3. Step 3: Cross multiply
    647,579.10x = 971,368.65 × 226,800.30
  4. Step 4: Simplify right side
    647,579.10x = 220,306,701,230.60
  5. Step 5: Solve for x
    x = 220,306,701,230.60/647,579.10
  6. Step 6: Final answer
    x = 340,200.45

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Similar ratio
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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.