Home / 540,964.40-746,465.83-311,596.29

Finding the Fourth Proportional to 540,964.40, 746,465.83 and 311,596.29

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Solution

The fourth proportional to 540,964.40, 746,465.83 and 311,596.29 is: 429,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,964.40 : 746,465.83 = 311,596.29 : x
  2. Step 2: Convert to fraction form
    540,964.40/746,465.83 = 311,596.29/x
  3. Step 3: Cross multiply
    540,964.40x = 746,465.83 × 311,596.29
  4. Step 4: Simplify right side
    540,964.40x = 232,595,977,949.46
  5. Step 5: Solve for x
    x = 232,595,977,949.46/540,964.40
  6. Step 6: Final answer
    x = 429,965.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.