Home / 699,690.32-1,048,870.26-273,499.30

Finding the Fourth Proportional to 699,690.32, 1,048,870.26 and 273,499.30

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Solution

The fourth proportional to 699,690.32, 1,048,870.26 and 273,499.30 is: 409,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,690.32 : 1,048,870.26 = 273,499.30 : x
  2. Step 2: Convert to fraction form
    699,690.32/1,048,870.26 = 273,499.30/x
  3. Step 3: Cross multiply
    699,690.32x = 1,048,870.26 × 273,499.30
  4. Step 4: Simplify right side
    699,690.32x = 286,865,281,900.82
  5. Step 5: Solve for x
    x = 286,865,281,900.82/699,690.32
  6. Step 6: Final answer
    x = 409,988.92

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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.