Home / 691,300.35-1,036,238.02-264,719.65

Finding the Fourth Proportional to 691,300.35, 1,036,238.02 and 264,719.65

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Solution

The fourth proportional to 691,300.35, 1,036,238.02 and 264,719.65 is: 396,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,300.35 : 1,036,238.02 = 264,719.65 : x
  2. Step 2: Convert to fraction form
    691,300.35/1,036,238.02 = 264,719.65/x
  3. Step 3: Cross multiply
    691,300.35x = 1,036,238.02 × 264,719.65
  4. Step 4: Simplify right side
    691,300.35x = 274,312,565,971.09
  5. Step 5: Solve for x
    x = 274,312,565,971.09/691,300.35
  6. Step 6: Final answer
    x = 396,806.64

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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.