Home / 940,069.57-1,297,311.78-510,349.72

Finding the Fourth Proportional to 940,069.57, 1,297,311.78 and 510,349.72

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Solution

The fourth proportional to 940,069.57, 1,297,311.78 and 510,349.72 is: 704,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,069.57 : 1,297,311.78 = 510,349.72 : x
  2. Step 2: Convert to fraction form
    940,069.57/1,297,311.78 = 510,349.72/x
  3. Step 3: Cross multiply
    940,069.57x = 1,297,311.78 × 510,349.72
  4. Step 4: Simplify right side
    940,069.57x = 662,082,703,675.70
  5. Step 5: Solve for x
    x = 662,082,703,675.70/940,069.57
  6. Step 6: Final answer
    x = 704,291.18

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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.